724357589 has 2 divisors, whose sum is σ = 724357590. Its totient is φ = 724357588.

The previous prime is 724357567. The next prime is 724357591. The reversal of 724357589 is 985753427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644398225 + 79959364 = 25385^2 + 8942^2 .

It is an emirp because it is prime and its reverse (985753427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724357589 - 2¹⁶ = 724292053 is a prime.

Together with 724357591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724357789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362178794 + 362178795.

It is an arithmetic number, because the mean of its divisors is an integer number (362178795).

Almost surely, 2^724357589 is an apocalyptic number.

It is an amenable number.

724357589 is a deficient number, since it is larger than the sum of its proper divisors (1).

724357589 is an equidigital number, since it uses as much as digits as its factorization.

724357589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 50.

The square root of 724357589 is about 26913.8921191269. The cubic root of 724357589 is about 898.0854730044.

The spelling of 724357589 in words is "seven hundred twenty-four million, three hundred fifty-seven thousand, five hundred eighty-nine".