72556239048 has 16 divisors (see below), whose sum is σ = 181390597680. Its totient is φ = 24185413008.

The previous prime is 72556239031. The next prime is 72556239053. The reversal of 72556239048 is 84093265527.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511588290 + ... + 1511588337.

It is an arithmetic number, because the mean of its divisors is an integer number (11336912355).

Almost surely, 2^72556239048 is an apocalyptic number.

It is an amenable number.

72556239048 is an abundant number, since it is smaller than the sum of its proper divisors (108834358632).

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

72556239048 is a wasteful number, since it uses less digits than its factorization.

72556239048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023176636 (or 3023176632 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 72556239048 in words is "seventy-two billion, five hundred fifty-six million, two hundred thirty-nine thousand, forty-eight".