704624 has 20 divisors (see below), whose sum is σ = 1395744. Its totient is φ = 344448.

The previous prime is 704617. The next prime is 704647. The reversal of 704624 is 426407.

It is a self number, because there is not a number n which added to its sum of digits gives 704624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284 + ... + 1220.

2⁷⁰⁴⁶²⁴ is an apocalyptic number.

It is an amenable number.

704624 is a deficient number, since it is larger than the sum of its proper divisors (691120).

704624 is a wasteful number, since it uses less digits than its factorization.

704624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 704624 is about 839.4188465838. The cubic root of 704624 is about 88.9854792621.

The spelling of 704624 in words is "seven hundred four thousand, six hundred twenty-four".