724559089 has 2 divisors, whose sum is σ = 724559090. Its totient is φ = 724559088.

The previous prime is 724559083. The next prime is 724559107. The reversal of 724559089 is 980955427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407434225 + 317124864 = 20185^2 + 17808^2 .

It is a cyclic number.

It is not a de Polignac number, because 724559089 - 2³ = 724559081 is a prime.

It is not a weakly prime, because it can be changed into another prime (724559081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362279544 + 362279545.

It is an arithmetic number, because the mean of its divisors is an integer number (362279545).

Almost surely, 2^724559089 is an apocalyptic number.

It is an amenable number.

724559089 is a deficient number, since it is larger than the sum of its proper divisors (1).

724559089 is an equidigital number, since it uses as much as digits as its factorization.

724559089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 724559089 is about 26917.6352787536. The cubic root of 724559089 is about 898.1687410146.

The spelling of 724559089 in words is "seven hundred twenty-four million, five hundred fifty-nine thousand, eighty-nine".