27670 has 8 divisors (see below), whose sum is σ = 49824. Its totient is φ = 11064.

The previous prime is 27653. The next prime is 27673. The reversal of 27670 is 7672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27673) 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 3 ways as a sum of consecutive naturals, for example, 1374 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (6228).

2²⁷⁶⁷⁰ is an apocalyptic number.

27670 is a deficient number, since it is larger than the sum of its proper divisors (22154).

27670 is a wasteful number, since it uses less digits than its factorization.

27670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 27670 is about 166.3430190901. The cubic root of 27670 is about 30.2461234019.

The spelling of 27670 in words is "twenty-seven thousand, six hundred seventy".