72594581172 has 24 divisors (see below), whose sum is σ = 169585031616. Its totient is φ = 24169954368.

The previous prime is 72594581149. The next prime is 72594581201. The reversal of 72594581172 is 27118549527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519208 + ... + 3539775.

It is an arithmetic number, because the mean of its divisors is an integer number (7066042984).

Almost surely, 2^72594581172 is an apocalyptic number.

It is an amenable number.

72594581172 is an abundant number, since it is smaller than the sum of its proper divisors (96990450444).

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

72594581172 is a wasteful number, since it uses less digits than its factorization.

72594581172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059847 (or 7059845 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The spelling of 72594581172 in words is "seventy-two billion, five hundred ninety-four million, five hundred eighty-one thousand, one hundred seventy-two".