672317 has 2 divisors, whose sum is σ = 672318. Its totient is φ = 672316.

The previous prime is 672311. The next prime is 672323. The reversal of 672317 is 713276.

It is a balanced prime because it is at equal distance from previous prime (672311) and next prime (672323).

It can be written as a sum of positive squares in only one way, i.e., 395641 + 276676 = 629^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 672317 - 2¹² = 668221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336158 + 336159.

It is an arithmetic number, because the mean of its divisors is an integer number (336159).

2⁶⁷²³¹⁷ is an apocalyptic number.

It is an amenable number.

672317 is a deficient number, since it is larger than the sum of its proper divisors (1).

672317 is an equidigital number, since it uses as much as digits as its factorization.

672317 is an odious number, because the sum of its binary digits is odd.

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

The square root of 672317 is about 819.9493886820. The cubic root of 672317 is about 87.6041535252.

It can be divided in two parts, 672 and 317, that added together give a palindrome (989).

The spelling of 672317 in words is "six hundred seventy-two thousand, three hundred seventeen".