172105792 has 28 divisors (see below), whose sum is σ = 341951056. Its totient is φ = 85944960.

The previous prime is 172105789. The next prime is 172105799. The reversal of 172105792 is 297501271.

It is not an unprimeable number, because it can be changed into a prime (172105799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81583 + ... + 83665.

Almost surely, 2^172105792 is an apocalyptic number.

It is an amenable number.

172105792 is a deficient number, since it is larger than the sum of its proper divisors (169845264).

172105792 is a wasteful number, since it uses less digits than its factorization.

172105792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 172105792 is about 13118.9097107953. The cubic root of 172105792 is about 556.2437728209.

The spelling of 172105792 in words is "one hundred seventy-two million, one hundred five thousand, seven hundred ninety-two".