672373 has 4 divisors (see below), whose sum is σ = 724108. Its totient is φ = 620640.

The previous prime is 672349. The next prime is 672377. The reversal of 672373 is 373276.

672373 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 603729 = 262^2 + 777^2 .

It is a cyclic number.

It is not a de Polignac number, because 672373 - 2⁵ = 672341 is a prime.

It is a super-2 number, since 2×672373² = 904170902258, which contains 22 as substring.

It is a Duffinian number.

672373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672377) 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, 25848 + ... + 25873.

It is an arithmetic number, because the mean of its divisors is an integer number (181027).

2⁶⁷²³⁷³ is an apocalyptic number.

It is an amenable number.

672373 is a deficient number, since it is larger than the sum of its proper divisors (51735).

672373 is a wasteful number, since it uses less digits than its factorization.

672373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51734.

The product of its digits is 5292, while the sum is 28.

The square root of 672373 is about 819.9835364201. The cubic root of 672373 is about 87.6065857590.

The spelling of 672373 in words is "six hundred seventy-two thousand, three hundred seventy-three".