Alright, let's work through 72974643 times 86969768 step by step
72974643 × 86969768 = 86969768 × (72974643)
+ 86969768 × 3 producing 260909304
+ 86969768 × 40 which equals 3478790720
+ 86969768 × 600 resulting in 52181860800
+ 86969768 × 4000 yielding 347879072000
+ 86969768 × 70000 that equals 6087883760000
+ 86969768 × 900000 yielding 78272791200000
+ 86969768 × 2000000 yielding 173939536000000
+ 86969768 × 70000000 resulting in 6087883760000000

= 6346587771592824
