172297612 has 12 divisors (see below), whose sum is σ = 302669136. Its totient is φ = 85820720.

The previous prime is 172297561. The next prime is 172297633. The reversal of 172297612 is 216792271.

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, 80839 + ... + 82942.

It is an arithmetic number, because the mean of its divisors is an integer number (25222428).

Almost surely, 2^172297612 is an apocalyptic number.

It is an amenable number.

172297612 is a deficient number, since it is larger than the sum of its proper divisors (130371524).

172297612 is a wasteful number, since it uses less digits than its factorization.

172297612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164048 (or 164046 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 172297612 is about 13126.2184958197. The cubic root of 172297612 is about 556.4503493759.

The spelling of 172297612 in words is "one hundred seventy-two million, two hundred ninety-seven thousand, six hundred twelve".