172625207 has 4 divisors (see below), whose sum is σ = 172738200. Its totient is φ = 172512216.

The previous prime is 172625161. The next prime is 172625231. The reversal of 172625207 is 702526271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172625207 - 2⁸ = 172624951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172625237) by changing a digit.

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, 54173 + ... + 57270.

It is an arithmetic number, because the mean of its divisors is an integer number (43184550).

Almost surely, 2^172625207 is an apocalyptic number.

172625207 is a deficient number, since it is larger than the sum of its proper divisors (112993).

172625207 is a wasteful number, since it uses less digits than its factorization.

172625207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112992.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 172625207 is about 13138.6912209702. The cubic root of 172625207 is about 556.8027917583.

The spelling of 172625207 in words is "one hundred seventy-two million, six hundred twenty-five thousand, two hundred seven".