Alright, let's work through 6429770 times 72153579 step by step
6429770 × 72153579 = 72153579 × (6429770)
+ 72153579 × 0 yielding 0
+ 72153579 × 70 resulting in 5050750530
+ 72153579 × 700 that equals 50507505300
+ 72153579 × 9000 producing 649382211000
+ 72153579 × 20000 what gives us 1443071580000
+ 72153579 × 400000 yielding 28861431600000
+ 72153579 × 6000000 that results in 432921474000000

= 463930917646830
