172974 has 16 divisors (see below), whose sum is σ = 350208. Its totient is φ = 56952.

The previous prime is 172973. The next prime is 172981. The reversal of 172974 is 479271.

172974 is nontrivially palindromic in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172973) 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, 649 + ... + 875.

It is an arithmetic number, because the mean of its divisors is an integer number (21888).

2¹⁷²⁹⁷⁴ is an apocalyptic number.

172974 is an abundant number, since it is smaller than the sum of its proper divisors (177234).

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

172974 is a wasteful number, since it uses less digits than its factorization.

172974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 3528, while the sum is 30.

The square root of 172974 is about 415.9014306299. The cubic root of 172974 is about 55.7177550202.

The spelling of 172974 in words is "one hundred seventy-two thousand, nine hundred seventy-four".