704669 has 12 divisors (see below), whose sum is σ = 835164. Its totient is φ = 592704.

The previous prime is 704663. The next prime is 704681. The reversal of 704669 is 966407.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 122500 = 763^2 + 350^2 .

It is not a de Polignac number, because 704669 - 2¹² = 700573 is a prime.

It is a super-2 number, since 2×704669² = 993116799122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3479 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (69597).

2⁷⁰⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

704669 is a deficient number, since it is larger than the sum of its proper divisors (130495).

704669 is a wasteful number, since it uses less digits than its factorization.

704669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 704669 is about 839.4456504146. The cubic root of 704669 is about 88.9873735402.

The spelling of 704669 in words is "seven hundred four thousand, six hundred sixty-nine".