72527584664 has 16 divisors (see below), whose sum is σ = 138294124200. Its totient is φ = 35649151552.

The previous prime is 72527584631. The next prime is 72527584673. The reversal of 72527584664 is 46648572527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76829597 + ... + 76830540.

Almost surely, 2^72527584664 is an apocalyptic number.

It is an amenable number.

72527584664 is a deficient number, since it is larger than the sum of its proper divisors (65766539536).

72527584664 is a wasteful number, since it uses less digits than its factorization.

72527584664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153660202 (or 153660198 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 56.

The spelling of 72527584664 in words is "seventy-two billion, five hundred twenty-seven million, five hundred eighty-four thousand, six hundred sixty-four".