Alright, let's work through 72458933 times 58671969 step by step
72458933 × 58671969 = 58671969 × (72458933)
+ 58671969 × 3 resulting in 176015907
+ 58671969 × 30 resulting in 1760159070
+ 58671969 × 900 which equals 52804772100
+ 58671969 × 8000 producing 469375752000
+ 58671969 × 50000 yielding 2933598450000
+ 58671969 × 400000 that equals 23468787600000
+ 58671969 × 2000000 that is equal 117343938000000
+ 58671969 × 70000000 that is equal 4107037830000000

= 4251308270749077
