172632568 has 16 divisors (see below), whose sum is σ = 325044000. Its totient is φ = 85954176.

The previous prime is 172632557. The next prime is 172632571. The reversal of 172632568 is 865236271.

It is a self number, because there is not a number n which added to its sum of digits gives 172632568.

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 3 ways as a sum of consecutive naturals, for example, 43233 + ... + 47056.

It is an arithmetic number, because the mean of its divisors is an integer number (20315250).

Almost surely, 2^172632568 is an apocalyptic number.

It is an amenable number.

172632568 is a deficient number, since it is larger than the sum of its proper divisors (152411432).

172632568 is a wasteful number, since it uses less digits than its factorization.

172632568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90534 (or 90530 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 172632568 is about 13138.9713448200. The cubic root of 172632568 is about 556.8107059503.

The spelling of 172632568 in words is "one hundred seventy-two million, six hundred thirty-two thousand, five hundred sixty-eight".