172573372 has 12 divisors (see below), whose sum is σ = 302319360. Its totient is φ = 86196416.

The previous prime is 172573369. The next prime is 172573399. The reversal of 172573372 is 273375271.

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, 18172 + ... + 25987.

It is an arithmetic number, because the mean of its divisors is an integer number (25193280).

Almost surely, 2^172573372 is an apocalyptic number.

It is an amenable number.

172573372 is a deficient number, since it is larger than the sum of its proper divisors (129745988).

172573372 is a wasteful number, since it uses less digits than its factorization.

172573372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45140 (or 45138 counting only the distinct ones).

The product of its digits is 61740, while the sum is 37.

The square root of 172573372 is about 13136.7184639087. The cubic root of 172573372 is about 556.7470548963.

The spelling of 172573372 in words is "one hundred seventy-two million, five hundred seventy-three thousand, three hundred seventy-two".