72324017164 has 48 divisors (see below), whose sum is σ = 145296506880. Its totient is φ = 30857258880.

The previous prime is 72324017147. The next prime is 72324017173. The reversal of 72324017164 is 46171042327.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10059579 + ... + 10066765.

It is an arithmetic number, because the mean of its divisors is an integer number (3027010560).

Almost surely, 2^72324017164 is an apocalyptic number.

It is an amenable number.

72324017164 is an abundant number, since it is smaller than the sum of its proper divisors (72972489716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72324017164 is a wasteful number, since it uses less digits than its factorization.

72324017164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758 (or 8756 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 72324017164 in words is "seventy-two billion, three hundred twenty-four million, seventeen thousand, one hundred sixty-four".