724928605 has 16 divisors (see below), whose sum is σ = 932275584. Its totient is φ = 539732160.

The previous prime is 724928599. The next prime is 724928621. The reversal of 724928605 is 506829427.

724928605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 724928605 - 2¹⁵ = 724895837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80931 + ... + 89440.

It is an arithmetic number, because the mean of its divisors is an integer number (58267224).

Almost surely, 2^724928605 is an apocalyptic number.

It is an amenable number.

724928605 is a deficient number, since it is larger than the sum of its proper divisors (207346979).

724928605 is a wasteful number, since it uses less digits than its factorization.

724928605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170436.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 724928605 is about 26924.4982311649. The cubic root of 724928605 is about 898.3213999774.

The spelling of 724928605 in words is "seven hundred twenty-four million, nine hundred twenty-eight thousand, six hundred five".