72896812 has 12 divisors (see below), whose sum is σ = 130284000. Its totient is φ = 35672816.

The previous prime is 72896809. The next prime is 72896839. The reversal of 72896812 is 21869827.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193687 + ... + 194062.

It is an arithmetic number, because the mean of its divisors is an integer number (10857000).

Almost surely, 2^72896812 is an apocalyptic number.

It is an amenable number.

72896812 is a deficient number, since it is larger than the sum of its proper divisors (57387188).

72896812 is a wasteful number, since it uses less digits than its factorization.

72896812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387800 (or 387798 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 72896812 is about 8537.9629889102. The cubic root of 72896812 is about 417.7369054775.

The spelling of 72896812 in words is "seventy-two million, eight hundred ninety-six thousand, eight hundred twelve".