724680459 has 16 divisors (see below), whose sum is σ = 1108234240. Its totient is φ = 467535240.

The previous prime is 724680431. The next prime is 724680461. The reversal of 724680459 is 954086427.

It is a happy number.

It is not a de Polignac number, because 724680459 - 2⁷ = 724680331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724680469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432067 + ... + 433740.

It is an arithmetic number, because the mean of its divisors is an integer number (69264640).

Almost surely, 2^724680459 is an apocalyptic number.

724680459 is a deficient number, since it is larger than the sum of its proper divisors (383553781).

724680459 is a wasteful number, since it uses less digits than its factorization.

724680459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865847 (or 865841 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 724680459 is about 26919.8896543058. The cubic root of 724680459 is about 898.2188885943.

The spelling of 724680459 in words is "seven hundred twenty-four million, six hundred eighty thousand, four hundred fifty-nine".