72957508 has 24 divisors (see below), whose sum is σ = 141935360. Its totient is φ = 32585760.

The previous prime is 72957499. The next prime is 72957517. The reversal of 72957508 is 80575927.

It is an interprime number because it is at equal distance from previous prime (72957499) and next prime (72957517).

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, 21018 + ... + 24241.

Almost surely, 2^72957508 is an apocalyptic number.

It is an amenable number.

72957508 is a deficient number, since it is larger than the sum of its proper divisors (68977852).

72957508 is a wasteful number, since it uses less digits than its factorization.

72957508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45307 (or 45305 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 72957508 is about 8541.5167271393. The cubic root of 72957508 is about 417.8528132686.

The spelling of 72957508 in words is "seventy-two million, nine hundred fifty-seven thousand, five hundred eight".