724605628 has 24 divisors (see below), whose sum is σ = 1301091120. Its totient is φ = 352894080.

The previous prime is 724605619. The next prime is 724605631. The reversal of 724605628 is 826506427.

724605628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×724605628² = 1050106632258548768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108778 + ... + 115246.

It is an arithmetic number, because the mean of its divisors is an integer number (54212130).

Almost surely, 2^724605628 is an apocalyptic number.

It is an amenable number.

724605628 is a deficient number, since it is larger than the sum of its proper divisors (576485492).

724605628 is a wasteful number, since it uses less digits than its factorization.

724605628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197 (or 7195 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 724605628 is about 26918.4997353121. The cubic root of 724605628 is about 898.1879706311.

The spelling of 724605628 in words is "seven hundred twenty-four million, six hundred five thousand, six hundred twenty-eight".