73172 has 12 divisors (see below), whose sum is σ = 139776. Its totient is φ = 33240.

The previous prime is 73141. The next prime is 73181. The reversal of 73172 is 27137.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73172.

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, 788 + ... + 875.

It is an arithmetic number, because the mean of its divisors is an integer number (11648).

2⁷³¹⁷² is an apocalyptic number.

It is an amenable number.

73172 is a deficient number, since it is larger than the sum of its proper divisors (66604).

73172 is a wasteful number, since it uses less digits than its factorization.

73172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1676 counting only the distinct ones).

The product of its digits is 294, while the sum is 20.

The square root of 73172 is about 270.5032347311. The cubic root of 73172 is about 41.8261902518.

The spelling of 73172 in words is "seventy-three thousand, one hundred seventy-two", and thus it is an iban number.