672173 has 4 divisors (see below), whose sum is σ = 693888. Its totient is φ = 650460.

The previous prime is 672169. The next prime is 672181. The reversal of 672173 is 371276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672173 - 2² = 672169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10811 + ... + 10872.

It is an arithmetic number, because the mean of its divisors is an integer number (173472).

2⁶⁷²¹⁷³ is an apocalyptic number.

It is an amenable number.

672173 is a deficient number, since it is larger than the sum of its proper divisors (21715).

672173 is a wasteful number, since it uses less digits than its factorization.

672173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714.

The product of its digits is 1764, while the sum is 26.

The square root of 672173 is about 819.8615736818. The cubic root of 672173 is about 87.5978985895.

The spelling of 672173 in words is "six hundred seventy-two thousand, one hundred seventy-three".