172200173 has 16 divisors (see below), whose sum is σ = 190728000. Its totient is φ = 154812672.

The previous prime is 172200143. The next prime is 172200181. The reversal of 172200173 is 371002271.

It is not a de Polignac number, because 172200173 - 2⁸ = 172199917 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 (172200113) 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 15 ways as a sum of consecutive naturals, for example, 29861 + ... + 35157.

It is an arithmetic number, because the mean of its divisors is an integer number (11920500).

Almost surely, 2^172200173 is an apocalyptic number.

It is an amenable number.

172200173 is a deficient number, since it is larger than the sum of its proper divisors (18527827).

172200173 is a wasteful number, since it uses less digits than its factorization.

172200173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 172200173 is about 13122.5063535896. The cubic root of 172200173 is about 556.3454336448.

The spelling of 172200173 in words is "one hundred seventy-two million, two hundred thousand, one hundred seventy-three".