72765064 has 16 divisors (see below), whose sum is σ = 136642320. Its totient is φ = 36327120.

The previous prime is 72765047. The next prime is 72765101. The reversal of 72765064 is 46056727.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (8540145).

Almost surely, 2^72765064 is an apocalyptic number.

It is an amenable number.

72765064 is a deficient number, since it is larger than the sum of its proper divisors (63877256).

72765064 is a wasteful number, since it uses less digits than its factorization.

72765064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13860 (or 13856 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 72765064 is about 8530.2440762267. The cubic root of 72765064 is about 417.4850920370.

The spelling of 72765064 in words is "seventy-two million, seven hundred sixty-five thousand, sixty-four".