72734808 has 32 divisors (see below), whose sum is σ = 183153600. Its totient is φ = 24069408.

The previous prime is 72734777. The next prime is 72734819. The reversal of 72734808 is 80843727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7566 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (5723550).

Almost surely, 2^72734808 is an apocalyptic number.

It is an amenable number.

72734808 is an abundant number, since it is smaller than the sum of its proper divisors (110418792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72734808 is a wasteful number, since it uses less digits than its factorization.

72734808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21951 (or 21947 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 72734808 is about 8528.4704373059. The cubic root of 72734808 is about 417.4272200337.

The spelling of 72734808 in words is "seventy-two million, seven hundred thirty-four thousand, eight hundred eight".