672313 has 4 divisors (see below), whose sum is σ = 701568. Its totient is φ = 643060.

The previous prime is 672311. The next prime is 672317. The reversal of 672313 is 313276.

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 672313 - 2¹ = 672311 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672311) 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, 14593 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (175392).

2⁶⁷²³¹³ is an apocalyptic number.

It is an amenable number.

672313 is a deficient number, since it is larger than the sum of its proper divisors (29255).

672313 is a wasteful number, since it uses less digits than its factorization.

672313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29254.

The product of its digits is 756, while the sum is 22.

The square root of 672313 is about 819.9469495034. The cubic root of 672313 is about 87.6039797890.

Adding to 672313 its reverse (313276), we get a palindrome (985589).

The spelling of 672313 in words is "six hundred seventy-two thousand, three hundred thirteen".