172610973 has 8 divisors (see below), whose sum is σ = 255720000. Its totient is φ = 115073964.

The previous prime is 172610959. The next prime is 172611017. The reversal of 172610973 is 379016271.

It is a happy number.

It is not a de Polignac number, because 172610973 - 2¹² = 172606877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172610903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3196473 + ... + 3196526.

It is an arithmetic number, because the mean of its divisors is an integer number (31965000).

Almost surely, 2^172610973 is an apocalyptic number.

It is an amenable number.

172610973 is a deficient number, since it is larger than the sum of its proper divisors (83109027).

172610973 is an equidigital number, since it uses as much as digits as its factorization.

172610973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393008 (or 6393002 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 172610973 is about 13138.1495272356. The cubic root of 172610973 is about 556.7874874102.

The spelling of 172610973 in words is "one hundred seventy-two million, six hundred ten thousand, nine hundred seventy-three".