Alright, let's work through 72433498 times 75961664 step by step
72433498 × 75961664 = 75961664 × (72433498)
+ 75961664 × 8 which equals 607693312
+ 75961664 × 90 that equals 6836549760
+ 75961664 × 400 which equals 30384665600
+ 75961664 × 3000 which equals 227884992000
+ 75961664 × 30000 that results in 2278849920000
+ 75961664 × 400000 that equals 30384665600000
+ 75961664 × 2000000 what gives us 151923328000000
+ 75961664 × 70000000 yielding 5317316480000000

= 5502169037420672
