72268790 has 16 divisors (see below), whose sum is σ = 141909840. Its totient is φ = 26279520.

The previous prime is 72268789. The next prime is 72268831. The reversal of 72268790 is 9786227.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 328385 + ... + 328604.

It is an arithmetic number, because the mean of its divisors is an integer number (8869365).

Almost surely, 2^72268790 is an apocalyptic number.

72268790 is a deficient number, since it is larger than the sum of its proper divisors (69641050).

72268790 is a wasteful number, since it uses less digits than its factorization.

72268790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657007.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 72268790 is about 8501.1052222637. The cubic root of 72268790 is about 416.5338122216.

It can be divided in two parts, 72 and 268790, that added together give a palindrome (268862).

The spelling of 72268790 in words is "seventy-two million, two hundred sixty-eight thousand, seven hundred ninety".