27704 has 8 divisors (see below), whose sum is σ = 51960. Its totient is φ = 13848.

The previous prime is 27701. The next prime is 27733. The reversal of 27704 is 40772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27701) 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 as a sum of consecutive naturals, namely, 1724 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (6495).

2²⁷⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

27704 is a deficient number, since it is larger than the sum of its proper divisors (24256).

27704 is a wasteful number, since it uses less digits than its factorization.

27704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 27704 is about 166.4451861725. The cubic root of 27704 is about 30.2585068168.

The spelling of 27704 in words is "twenty-seven thousand, seven hundred four", and thus it is an iban number.