172248712 has 16 divisors (see below), whose sum is σ = 330477840. Its totient is φ = 84121296.

The previous prime is 172248701. The next prime is 172248751. The reversal of 172248712 is 217842271.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250018 + ... + 250705.

It is an arithmetic number, because the mean of its divisors is an integer number (20654865).

Almost surely, 2^172248712 is an apocalyptic number.

It is an amenable number.

172248712 is a deficient number, since it is larger than the sum of its proper divisors (158229128).

172248712 is a wasteful number, since it uses less digits than its factorization.

172248712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500772 (or 500768 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 172248712 is about 13124.3556794229. The cubic root of 172248712 is about 556.3977021059.

The spelling of 172248712 in words is "one hundred seventy-two million, two hundred forty-eight thousand, seven hundred twelve".