704865 has 32 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 319872.

The previous prime is 704863. The next prime is 704867. The reversal of 704865 is 568407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (704863) and next prime (704867).

It is not a de Polignac number, because 704865 - 2¹ = 704863 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5077 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2⁷⁰⁴⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

704865 is a deficient number, since it is larger than the sum of its proper divisors (619935).

704865 is a wasteful number, since it uses less digits than its factorization.

704865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

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

The square root of 704865 is about 839.5623860083. The cubic root of 704865 is about 88.9956232330.

The spelling of 704865 in words is "seven hundred four thousand, eight hundred sixty-five".