72330590 has 16 divisors (see below), whose sum is σ = 131979888. Its totient is φ = 28535616.

The previous prime is 72330581. The next prime is 72330613. The reversal of 72330590 is 9503327.

It is a congruent number.

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, 48812 + ... + 50271.

It is an arithmetic number, because the mean of its divisors is an integer number (8248743).

Almost surely, 2^72330590 is an apocalyptic number.

72330590 is a deficient number, since it is larger than the sum of its proper divisors (59649298).

72330590 is a wasteful number, since it uses less digits than its factorization.

72330590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99163.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 72330590 is about 8504.7392670205. The cubic root of 72330590 is about 416.6525100968.

It can be divided in two parts, 723 and 30590, that added together give a palindrome (31313).

The spelling of 72330590 in words is "seventy-two million, three hundred thirty thousand, five hundred ninety".