172492 has 12 divisors (see below), whose sum is σ = 312480. Its totient is φ = 83216.

The previous prime is 172489. The next prime is 172507. The reversal of 172492 is 294271.

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, 628 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (26040).

2¹⁷²⁴⁹² is an apocalyptic number.

It is an amenable number.

172492 is a deficient number, since it is larger than the sum of its proper divisors (139988).

172492 is a wasteful number, since it uses less digits than its factorization.

172492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1518 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 172492 is about 415.3215621660. The cubic root of 172492 is about 55.6659535130.

The spelling of 172492 in words is "one hundred seventy-two thousand, four hundred ninety-two".