724597 has 2 divisors, whose sum is σ = 724598. Its totient is φ = 724596.

The previous prime is 724583. The next prime is 724601. The reversal of 724597 is 795427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662596 + 62001 = 814^2 + 249^2 .

It is an emirp because it is prime and its reverse (795427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724597 - 2⁷ = 724469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724517) 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, 362298 + 362299.

It is an arithmetic number, because the mean of its divisors is an integer number (362299).

2⁷²⁴⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

724597 is a deficient number, since it is larger than the sum of its proper divisors (1).

724597 is an equidigital number, since it uses as much as digits as its factorization.

724597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 724597 is about 851.2326356526. The cubic root of 724597 is about 89.8184405659.

The spelling of 724597 in words is "seven hundred twenty-four thousand, five hundred ninety-seven".