172265232 has 20 divisors (see below), whose sum is σ = 445018640. Its totient is φ = 57421728.

The previous prime is 172265227. The next prime is 172265237. The reversal of 172265232 is 232562271.

It is an interprime number because it is at equal distance from previous prime (172265227) and next prime (172265237).

It is a self number, because there is not a number n which added to its sum of digits gives 172265232.

It is not an unprimeable number, because it can be changed into a prime (172265237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1794382 + ... + 1794477.

It is an arithmetic number, because the mean of its divisors is an integer number (22250932).

Almost surely, 2^172265232 is an apocalyptic number.

172265232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172265232 is an abundant number, since it is smaller than the sum of its proper divisors (272753408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172265232 is a wasteful number, since it uses less digits than its factorization.

172265232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588870 (or 3588864 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 172265232 is about 13124.9850285629. The cubic root of 172265232 is about 556.4154891691.

The spelling of 172265232 in words is "one hundred seventy-two million, two hundred sixty-five thousand, two hundred thirty-two".