172716412 has 12 divisors (see below), whose sum is σ = 329731416. Its totient is φ = 78507440.

The previous prime is 172716391. The next prime is 172716449. The reversal of 172716412 is 214617271.

It is a congruent 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, 1962643 + ... + 1962730.

It is an arithmetic number, because the mean of its divisors is an integer number (27477618).

Almost surely, 2^172716412 is an apocalyptic number.

It is an amenable number.

172716412 is a deficient number, since it is larger than the sum of its proper divisors (157015004).

172716412 is a wasteful number, since it uses less digits than its factorization.

172716412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925388 (or 3925386 counting only the distinct ones).

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

The square root of 172716412 is about 13142.1616182423. The cubic root of 172716412 is about 556.9008351022.

The spelling of 172716412 in words is "one hundred seventy-two million, seven hundred sixteen thousand, four hundred twelve".