172712264 has 16 divisors (see below), whose sum is σ = 325482300. Its totient is φ = 85916992.

The previous prime is 172712237. The next prime is 172712273. The reversal of 172712264 is 462217271.

It can be written as a sum of positive squares in 2 ways, for example, as 172712164 + 100 = 13142^2 + 10^2 .

It is a super-2 number, since 2×172712264² = 59659052272011392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172712264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53219 + ... + 56370.

Almost surely, 2^172712264 is an apocalyptic number.

It is an amenable number.

172712264 is a deficient number, since it is larger than the sum of its proper divisors (152770036).

172712264 is a wasteful number, since it uses less digits than its factorization.

172712264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109792 (or 109788 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 172712264 is about 13142.0038045954. The cubic root of 172712264 is about 556.8963768439.

The spelling of 172712264 in words is "one hundred seventy-two million, seven hundred twelve thousand, two hundred sixty-four".