172006924 has 12 divisors (see below), whose sum is σ = 316855000. Its totient is φ = 81476928.

The previous prime is 172006909. The next prime is 172006957. The reversal of 172006924 is 429600271.

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, 1131549 + ... + 1131700.

Almost surely, 2^172006924 is an apocalyptic number.

It is an amenable number.

172006924 is a deficient number, since it is larger than the sum of its proper divisors (144848076).

172006924 is a wasteful number, since it uses less digits than its factorization.

172006924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263272 (or 2263270 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 172006924 is about 13115.1410209727. The cubic root of 172006924 is about 556.1372390376.

The spelling of 172006924 in words is "one hundred seventy-two million, six thousand, nine hundred twenty-four".