72577573032 has 32 divisors (see below), whose sum is σ = 183240413280. Its totient is φ = 23952993600.

The previous prime is 72577573027. The next prime is 72577573043. The reversal of 72577573032 is 23037577527.

It is a super-3 number, since 3×72577573032³ (a number of 34 digits) contains 333 as substring.

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, 14968198 + ... + 14973045.

It is an arithmetic number, because the mean of its divisors is an integer number (5726262915).

Almost surely, 2^72577573032 is an apocalyptic number.

It is an amenable number.

72577573032 is an abundant number, since it is smaller than the sum of its proper divisors (110662840248).

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

72577573032 is a wasteful number, since it uses less digits than its factorization.

72577573032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29941353 (or 29941349 counting only the distinct ones).

The product of its (nonzero) digits is 2160900, while the sum is 48.

The spelling of 72577573032 in words is "seventy-two billion, five hundred seventy-seven million, five hundred seventy-three thousand, thirty-two".