Alright, let's work through 72875787 times 73868730 step by step
72875787 × 73868730 = 73868730 × (72875787)
+ 73868730 × 7 yielding 517081110
+ 73868730 × 80 producing 5909498400
+ 73868730 × 700 that is equal 51708111000
+ 73868730 × 5000 that is equal 369343650000
+ 73868730 × 70000 resulting in 5170811100000
+ 73868730 × 800000 producing 59094984000000
+ 73868730 × 2000000 that equals 147737460000000
+ 73868730 × 70000000 that equals 5170811100000000

= 5383241833440510
