72576639032 has 16 divisors (see below), whose sum is σ = 136466702640. Its totient is φ = 36185518336.

The previous prime is 72576639029. The next prime is 72576639043. The reversal of 72576639032 is 23093667527.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12847148 + ... + 12852795.

It is an arithmetic number, because the mean of its divisors is an integer number (8529168915).

Almost surely, 2^72576639032 is an apocalyptic number.

It is an amenable number.

72576639032 is a deficient number, since it is larger than the sum of its proper divisors (63890063608).

72576639032 is a wasteful number, since it uses less digits than its factorization.

72576639032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700302 (or 25700298 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 72576639032 in words is "seventy-two billion, five hundred seventy-six million, six hundred thirty-nine thousand, thirty-two".