27690056 has 8 divisors (see below), whose sum is σ = 51918870. Its totient is φ = 13845024.

The previous prime is 27690043. The next prime is 27690067. The reversal of 27690056 is 65009672.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 4553956 = 4810^2 + 2134^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27689998 and 27690025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730621 + ... + 1730636.

Almost surely, 2^27690056 is an apocalyptic number.

It is an amenable number.

27690056 is a deficient number, since it is larger than the sum of its proper divisors (24228814).

27690056 is a wasteful number, since it uses less digits than its factorization.

27690056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461263 (or 3461259 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 27690056 is about 5262.1341678068. The cubic root of 27690056 is about 302.5342938604.

The spelling of 27690056 in words is "twenty-seven million, six hundred ninety thousand, fifty-six".