Alright, let's work through 4473767 times 16028672 step by step
4473767 × 16028672 = 16028672 × (4473767)
+ 16028672 × 7 yielding 112200704
+ 16028672 × 60 what gives us 961720320
+ 16028672 × 700 that results in 11220070400
+ 16028672 × 3000 that equals 48086016000
+ 16028672 × 70000 giving us 1122007040000
+ 16028672 × 400000 giving us 6411468800000
+ 16028672 × 4000000 giving us 64114688000000

= 71708543847424
