172712936 has 32 divisors (see below), whose sum is σ = 353872800. Its totient is φ = 78373440.

The previous prime is 172712933. The next prime is 172712941. The reversal of 172712936 is 639217271.

172712936 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 172712936.

It is not an unprimeable number, because it can be changed into a prime (172712933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66755 + ... + 69293.

It is an arithmetic number, because the mean of its divisors is an integer number (11058525).

Almost surely, 2^172712936 is an apocalyptic number.

It is an amenable number.

172712936 is an abundant number, since it is smaller than the sum of its proper divisors (181159864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172712936 is a wasteful number, since it uses less digits than its factorization.

172712936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3325 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 172712936 is about 13142.0293714479. The cubic root of 172712936 is about 556.8970991124.

The spelling of 172712936 in words is "one hundred seventy-two million, seven hundred twelve thousand, nine hundred thirty-six".