72586316 has 12 divisors (see below), whose sum is σ = 138573960. Its totient is φ = 32993760.

The previous prime is 72586313. The next prime is 72586337. The reversal of 72586316 is 61368527.

It is a self number, because there is not a number n which added to its sum of digits gives 72586316.

It is not an unprimeable number, because it can be changed into a prime (72586313) by changing a digit.

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, 824801 + ... + 824888.

It is an arithmetic number, because the mean of its divisors is an integer number (11547830).

Almost surely, 2^72586316 is an apocalyptic number.

It is an amenable number.

72586316 is a deficient number, since it is larger than the sum of its proper divisors (65987644).

72586316 is a wasteful number, since it uses less digits than its factorization.

72586316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649704 (or 1649702 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 72586316 is about 8519.7603252674. The cubic root of 72586316 is about 417.1429598379.

The spelling of 72586316 in words is "seventy-two million, five hundred eighty-six thousand, three hundred sixteen".