172052372 has 12 divisors (see below), whose sum is σ = 316938720. Its totient is φ = 81498456.

The previous prime is 172052369. The next prime is 172052381. The reversal of 172052372 is 273250271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131848 + ... + 1131999.

It is an arithmetic number, because the mean of its divisors is an integer number (26411560).

Almost surely, 2^172052372 is an apocalyptic number.

It is an amenable number.

172052372 is a deficient number, since it is larger than the sum of its proper divisors (144886348).

172052372 is a wasteful number, since it uses less digits than its factorization.

172052372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263870 (or 2263868 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 172052372 is about 13116.8735604183. The cubic root of 172052372 is about 556.1862159409.

The spelling of 172052372 in words is "one hundred seventy-two million, fifty-two thousand, three hundred seventy-two".