72322875 has 48 divisors (see below), whose sum is σ = 135259488. Its totient is φ = 38556000.

The previous prime is 72322867. The next prime is 72322883. The reversal of 72322875 is 57822327.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72322867) and next prime (72322883).

It is not a de Polignac number, because 72322875 - 2³ = 72322867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29185 + ... + 31565.

It is an arithmetic number, because the mean of its divisors is an integer number (2817906).

Almost surely, 2^72322875 is an apocalyptic number.

72322875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72322875 is a deficient number, since it is larger than the sum of its proper divisors (62936613).

72322875 is an equidigital number, since it uses as much as digits as its factorization.

72322875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2389 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 72322875 is about 8504.2856842888. The cubic root of 72322875 is about 416.6376957635.

The spelling of 72322875 in words is "seventy-two million, three hundred twenty-two thousand, eight hundred seventy-five".