172675992 has 16 divisors (see below), whose sum is σ = 431690040. Its totient is φ = 57558656.

The previous prime is 172675981. The next prime is 172675999. The reversal of 172675992 is 299576271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172675999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597393 + ... + 3597440.

Almost surely, 2^172675992 is an apocalyptic number.

172675992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172675992 is an abundant number, since it is smaller than the sum of its proper divisors (259014048).

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

172675992 is a wasteful number, since it uses less digits than its factorization.

172675992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194842 (or 7194838 counting only the distinct ones).

The product of its digits is 476280, while the sum is 48.

The square root of 172675992 is about 13140.6237294886. The cubic root of 172675992 is about 556.8573887621.

The spelling of 172675992 in words is "one hundred seventy-two million, six hundred seventy-five thousand, nine hundred ninety-two".