72817681 divided by 420 
Let's see how many times 420 fits into 72817681.

Going ahead to step 1:
The number 420 fits into 7 0 times, leaving a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 420

Step 2:
When dividing 72 by 420, we get 0 with a remainder of 72.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 72, we get 72.
Grab the next digit (8) from the dividend, add it to 72, then carry on: 728 / 420

Step 3:
420 can be fit into 728 1 times, resulting in a remainder of 308.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 420 from 728, we get 308.
Grab the next digit (1) from the dividend, add it to 308, then carry on: 3081 / 420

Moving on to step 4:
The number 420 fits into 3081 7 times, leaving a remainder of 141.
Put 7 as the next digit of the answer. 
Result so far: 17.0
If we take 2940 away from 3081, we end up with 141.
Take the next digit (7) from the dividend and append it to 141, then repeat: 1417 / 420

Step 5:
When dividing 1417 by 420, we get 3 with a remainder of 157.
Record the quotient 3 as the next digit in the result. 
Result so far: 173.0
Subtracting 1260 from 1417 leaves us with 157.
Grab the next digit (6) from the dividend, add it to 157, then carry on: 1576 / 420

Step 6:
420 goes into 1576 3 times with a remainder of 316.
The next digit of our result is 3. 
Result so far: 1733.0
Deduct 1260 from 1576 and we're left with 316.
Take the next digit (8) from the dividend and append it to 316, then repeat: 3168 / 420

Advancing to step 7:
The number 420 fits into 3168 7 times, leaving a remainder of 228.
Put 7 as the next digit of the answer. 
Result so far: 17337.0
Deduct 2940 from 3168 and we're left with 228.
Take the next digit (1) from the dividend and append it to 228, then repeat: 2281 / 420

On to step 8:
420 can be fit into 2281 5 times, resulting in a remainder of 181.
The number 5 becomes the next digit in our result. 
Result so far: 173375.0
If we subtract 2100 from 2281, we get 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

On to step 9:
The number 420 fits into 1810 4 times, leaving a remainder of 130.
The next digit of our result is 4. 
Result so far: 173375.4
If we subtract 1680 from 1810, we get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Moving on to step 10:
420 goes into 1300 3 times with a remainder of 40.
Write down 3 as next digit of the result. 
Result so far: 173375.43
The remainder is 40 after subtracting 1260 from 1300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 11:
If we divide 400 by 420, we get 0 and a remainder of 400.
The next digit of our result is 0. 
Result so far: 173375.43
The remainder is 400 after subtracting 0 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Step 12:
If we divide 4000 by 420, we get 9 and a remainder of 220.
The next digit of our result is 9. 
Result so far: 173375.4309
If we subtract 3780 from 4000, we get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Step 13:
420 can be fit into 2200 5 times, resulting in a remainder of 100.
Put 5 as the next digit of the answer. 
Result so far: 173375.43095
The remainder is 100 after subtracting 2100 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Going ahead to step 14:
420 goes into 1000 2 times with a remainder of 160.
Use 2 as the next digit of our solution. 
Result so far: 173375.430952
If we subtract 840 from 1000, we get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 15:
When dividing 1600 by 420, we get 3 with a remainder of 340.
The next digit of our result is 3. 
Result so far: 173375.4309523
Deduct 1260 from 1600 and we're left with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Let's proceed to step 16:
420 goes into 3400 8 times with a remainder of 40.
Put 8 as the next digit of the answer. 
Result so far: 173375.43095238
The remainder is 40 after subtracting 3360 from 3400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The quotient of the division is 173375.43095238, and the remainder is 4e-08.