72711164 has 12 divisors (see below), whose sum is σ = 127801800. Its totient is φ = 36196368.

The previous prime is 72711161. The next prime is 72711169. The reversal of 72711164 is 46111727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72711161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38774 + ... + 40605.

It is an arithmetic number, because the mean of its divisors is an integer number (10650150).

Almost surely, 2^72711164 is an apocalyptic number.

It is an amenable number.

72711164 is a deficient number, since it is larger than the sum of its proper divisors (55090636).

72711164 is a wasteful number, since it uses less digits than its factorization.

72711164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79612 (or 79610 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 72711164 is about 8527.0841440671. The cubic root of 72711164 is about 417.3819839260.

The spelling of 72711164 in words is "seventy-two million, seven hundred eleven thousand, one hundred sixty-four".