72708508 has 6 divisors (see below), whose sum is σ = 127239896. Its totient is φ = 36354252.

The previous prime is 72708499. The next prime is 72708521. The reversal of 72708508 is 80580727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9088560 + ... + 9088567.

Almost surely, 2^72708508 is an apocalyptic number.

It is an amenable number.

72708508 is a deficient number, since it is larger than the sum of its proper divisors (54531388).

72708508 is a wasteful number, since it uses less digits than its factorization.

72708508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177131 (or 18177129 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 72708508 is about 8526.9284035929. The cubic root of 72708508 is about 417.3769018084.

The spelling of 72708508 in words is "seventy-two million, seven hundred eight thousand, five hundred eight".