704556 has 18 divisors (see below), whose sum is σ = 1781052. Its totient is φ = 234840.

The previous prime is 704551. The next prime is 704567. The reversal of 704556 is 655407.

It is a tau number, because it is divible by the number of its divisors (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704556.

It is not an unprimeable number, because it can be changed into a prime (704551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9750 + ... + 9821.

2⁷⁰⁴⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

704556 is an abundant number, since it is smaller than the sum of its proper divisors (1076496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

704556 is a wasteful number, since it uses less digits than its factorization.

704556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581 (or 19576 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 704556 is about 839.3783413932. The cubic root of 704556 is about 88.9826166445.

The spelling of 704556 in words is "seven hundred four thousand, five hundred fifty-six".