27690635 has 12 divisors (see below), whose sum is σ = 38654208. Its totient is φ = 18987696.

The previous prime is 27690617. The next prime is 27690673. The reversal of 27690635 is 53609672.

It is not a de Polignac number, because 27690635 - 2¹⁰ = 27689611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56267 + ... + 56756.

It is an arithmetic number, because the mean of its divisors is an integer number (3221184).

Almost surely, 2^27690635 is an apocalyptic number.

27690635 is a deficient number, since it is larger than the sum of its proper divisors (10963573).

27690635 is a wasteful number, since it uses less digits than its factorization.

27690635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113042 (or 113035 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 27690635 is about 5262.1891832202. The cubic root of 27690635 is about 302.5364025131.

The spelling of 27690635 in words is "twenty-seven million, six hundred ninety thousand, six hundred thirty-five".