672314689 has 2 divisors, whose sum is σ = 672314690. Its totient is φ = 672314688.

The previous prime is 672314653. The next prime is 672314693. The reversal of 672314689 is 986413276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629608464 + 42706225 = 25092^2 + 6535^2 .

It is a cyclic number.

It is not a de Polignac number, because 672314689 - 2⁷ = 672314561 is a prime.

It is not a weakly prime, because it can be changed into another prime (672314089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336157344 + 336157345.

It is an arithmetic number, because the mean of its divisors is an integer number (336157345).

Almost surely, 2^672314689 is an apocalyptic number.

It is an amenable number.

672314689 is a deficient number, since it is larger than the sum of its proper divisors (1).

672314689 is an equidigital number, since it uses as much as digits as its factorization.

672314689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 672314689 is about 25929.0317790696. The cubic root of 672314689 is about 876.0405314920.

It can be divided in two parts, 6723 and 14689, that added together give a palindrome (21412).

The spelling of 672314689 in words is "six hundred seventy-two million, three hundred fourteen thousand, six hundred eighty-nine".