172966790 has 16 divisors (see below), whose sum is σ = 311947200. Its totient is φ = 69051840.

The previous prime is 172966777. The next prime is 172966847. The reversal of 172966790 is 97669271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390 + ... + 21809.

It is an arithmetic number, because the mean of its divisors is an integer number (19496700).

Almost surely, 2^172966790 is an apocalyptic number.

172966790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172966790 is a deficient number, since it is larger than the sum of its proper divisors (138980410).

172966790 is a wasteful number, since it uses less digits than its factorization.

172966790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33727.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 172966790 is about 13151.6839226009. The cubic root of 172966790 is about 557.1698085644.

The spelling of 172966790 in words is "one hundred seventy-two million, nine hundred sixty-six thousand, seven hundred ninety".