172472 has 8 divisors (see below), whose sum is σ = 323400. Its totient is φ = 86232.

The previous prime is 172441. The next prime is 172489. The reversal of 172472 is 274271.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10772 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (40425).

2¹⁷²⁴⁷² is an apocalyptic number.

It is an amenable number.

172472 is a deficient number, since it is larger than the sum of its proper divisors (150928).

172472 is a wasteful number, since it uses less digits than its factorization.

172472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21565 (or 21561 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 172472 is about 415.2974837391. The cubic root of 172472 is about 55.6638019888.

It can be divided in two parts, 17 and 2472, that multiplied together give a palindrome (42024).

The spelling of 172472 in words is "one hundred seventy-two thousand, four hundred seventy-two", and thus it is an iban number.