Alright, let's work through 73967925 times 72984531 step by step
73967925 × 72984531 = 72984531 × (73967925)
+ 72984531 × 5 resulting in 364922655
+ 72984531 × 20 yielding 1459690620
+ 72984531 × 900 that is equal 65686077900
+ 72984531 × 7000 which equals 510891717000
+ 72984531 × 60000 resulting in 4379071860000
+ 72984531 × 900000 that equals 65686077900000
+ 72984531 × 3000000 what gives us 218953593000000
+ 72984531 × 70000000 producing 5108917170000000

= 5398514315168175
