6723589 has 2 divisors, whose sum is σ = 6723590. Its totient is φ = 6723588.

The previous prime is 6723583. The next prime is 6723593. The reversal of 6723589 is 9853276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 3330625 = 1842^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723589 - 2⁷ = 6723461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361794 + 3361795.

It is an arithmetic number, because the mean of its divisors is an integer number (3361795).

Almost surely, 2^6723589 is an apocalyptic number.

It is an amenable number.

6723589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723589 is an equidigital number, since it uses as much as digits as its factorization.

6723589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 6723589 is about 2592.9884303637. The cubic root of 6723589 is about 188.7413480823.

The spelling of 6723589 in words is "six million, seven hundred twenty-three thousand, five hundred eighty-nine".