704578 has 16 divisors (see below), whose sum is σ = 1229760. Its totient is φ = 296496.

The previous prime is 704569. The next prime is 704579. The reversal of 704578 is 875407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704579) by changing a digit.

704578 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2⁷⁰⁴⁵⁷⁸ is an apocalyptic number.

704578 is a deficient number, since it is larger than the sum of its proper divisors (525182).

704578 is a wasteful number, since it uses less digits than its factorization.

704578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 704578 is about 839.3914462276. The cubic root of 704578 is about 88.9835428056.

The spelling of 704578 in words is "seven hundred four thousand, five hundred seventy-eight".