172712164 has 9 divisors (see below), whose sum is σ = 302292291. Its totient is φ = 86342940.

The previous prime is 172712161. The next prime is 172712171. The reversal of 172712164 is 461217271.

The square root of 172712164 is 13142.

It is a perfect power (a square), and thus also a powerful number.

172712164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (172712161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 22999 + ... + 29569.

Almost surely, 2^172712164 is an apocalyptic number.

172712164 is the 13142-nd square number.

It is an amenable number.

172712164 is a deficient number, since it is larger than the sum of its proper divisors (129580127).

172712164 is an frugal number, since it uses more digits than its factorization.

172712164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13146 (or 6573 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The cubic root of 172712164 is about 556.8962693633.

It can be divided in two parts, 172 and 712164, that added together give a square (712336 = 844²).

The spelling of 172712164 in words is "one hundred seventy-two million, seven hundred twelve thousand, one hundred sixty-four".