704691 has 24 divisors (see below), whose sum is σ = 1157520. Its totient is φ = 409536.

The previous prime is 704687. The next prime is 704713. The reversal of 704691 is 196407.

It is not a de Polignac number, because 704691 - 2² = 704687 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704691.

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 23 ways as a sum of consecutive naturals, for example, 2065 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (48230).

2⁷⁰⁴⁶⁹¹ is an apocalyptic number.

704691 is a deficient number, since it is larger than the sum of its proper divisors (452829).

704691 is a wasteful number, since it uses less digits than its factorization.

704691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 704691 is about 839.4587541982. The cubic root of 704691 is about 88.9882996023.

It can be divided in two parts, 70 and 4691, that added together give a square (4761 = 69²).

The spelling of 704691 in words is "seven hundred four thousand, six hundred ninety-one".