704813 has 8 divisors (see below), whose sum is σ = 742368. Its totient is φ = 668304.

The previous prime is 704807. The next prime is 704819. The reversal of 704813 is 318407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (704807) and next prime (704819).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704813 - 2⁴ = 704797 is a prime.

It is a super-2 number, since 2×704813² = 993522729938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370 + ... + 1812.

It is an arithmetic number, because the mean of its divisors is an integer number (92796).

2⁷⁰⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

704813 is a deficient number, since it is larger than the sum of its proper divisors (37555).

704813 is a wasteful number, since it uses less digits than its factorization.

704813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 704813 is about 839.5314169226. The cubic root of 704813 is about 88.9934346880.

The spelling of 704813 in words is "seven hundred four thousand, eight hundred thirteen".