72431177060 has 48 divisors (see below), whose sum is σ = 170417943360. Its totient is φ = 25626752640.

The previous prime is 72431177057. The next prime is 72431177081. The reversal of 72431177060 is 6077113427.

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 15 ways as a sum of consecutive naturals, for example, 4440950 + ... + 4457229.

It is an arithmetic number, because the mean of its divisors is an integer number (3550373820).

Almost surely, 2^72431177060 is an apocalyptic number.

It is an amenable number.

72431177060 is an abundant number, since it is smaller than the sum of its proper divisors (97986766300).

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

72431177060 is a wasteful number, since it uses less digits than its factorization.

72431177060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898236 (or 8898234 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 72431177060 in words is "seventy-two billion, four hundred thirty-one million, one hundred seventy-seven thousand, sixty".