704685 has 16 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 371520.

The previous prime is 704681. The next prime is 704687. The reversal of 704685 is 586407.

It is a happy number.

It is not a de Polignac number, because 704685 - 2² = 704681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁷⁰⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

704685 is a deficient number, since it is larger than the sum of its proper divisors (435795).

704685 is a wasteful number, since it uses less digits than its factorization.

704685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 704685 is about 839.4551804593. The cubic root of 704685 is about 88.9880470418.

The spelling of 704685 in words is "seven hundred four thousand, six hundred eighty-five".