72608812 has 6 divisors (see below), whose sum is σ = 127065428. Its totient is φ = 36304404.

The previous prime is 72608737. The next prime is 72608813. The reversal of 72608812 is 21880627.

It is not an unprimeable number, because it can be changed into a prime (72608813) by changing a digit.

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, 9076098 + ... + 9076105.

Almost surely, 2^72608812 is an apocalyptic number.

It is an amenable number.

72608812 is a deficient number, since it is larger than the sum of its proper divisors (54456616).

72608812 is a wasteful number, since it uses less digits than its factorization.

72608812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152207 (or 18152205 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 72608812 is about 8521.0804479244. The cubic root of 72608812 is about 417.1860491292.

The spelling of 72608812 in words is "seventy-two million, six hundred eight thousand, eight hundred twelve".