724328589 has 4 divisors (see below), whose sum is σ = 965771456. Its totient is φ = 482885724.

The previous prime is 724328587. The next prime is 724328597. The reversal of 724328589 is 985823427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 724328589 - 2¹ = 724328587 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724328587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120721429 + ... + 120721434.

It is an arithmetic number, because the mean of its divisors is an integer number (241442864).

Almost surely, 2^724328589 is an apocalyptic number.

It is an amenable number.

724328589 is a deficient number, since it is larger than the sum of its proper divisors (241442867).

724328589 is a wasteful number, since it uses less digits than its factorization.

724328589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241442866.

The product of its digits is 967680, while the sum is 48.

The square root of 724328589 is about 26913.3533585096. The cubic root of 724328589 is about 898.0734877517.

The spelling of 724328589 in words is "seven hundred twenty-four million, three hundred twenty-eight thousand, five hundred eighty-nine".