Alright, let's work through 72905167 times 64490484 step by step
72905167 × 64490484 = 64490484 × (72905167)
+ 64490484 × 7 producing 451433388
+ 64490484 × 60 that equals 3869429040
+ 64490484 × 100 that is equal 6449048400
+ 64490484 × 5000 that results in 322452420000
+ 64490484 × 00000 that equals 0
+ 64490484 × 900000 what gives us 58041435600000
+ 64490484 × 2000000 giving us 128980968000000
+ 64490484 × 70000000 which equals 4514333880000000

= 4701689505930828
