72133731882 has 48 divisors (see below), whose sum is σ = 158185460160. Its totient is φ = 23754050496.

The previous prime is 72133731863. The next prime is 72133731919. The reversal of 72133731882 is 28813733127.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730398 + ... + 823254.

It is an arithmetic number, because the mean of its divisors is an integer number (3295530420).

Almost surely, 2^72133731882 is an apocalyptic number.

72133731882 is an abundant number, since it is smaller than the sum of its proper divisors (86051728278).

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

72133731882 is a wasteful number, since it uses less digits than its factorization.

72133731882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93387 (or 93384 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 72133731882 in words is "seventy-two billion, one hundred thirty-three million, seven hundred thirty-one thousand, eight hundred eighty-two".