27131836 has 6 divisors (see below), whose sum is σ = 47480720. Its totient is φ = 13565916.

The previous prime is 27131821. The next prime is 27131843. The reversal of 27131836 is 63813172.

It is a super-2 number, since 2×27131836² = 1472273049461792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27131798 and 27131807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3391476 + ... + 3391483.

Almost surely, 2^27131836 is an apocalyptic number.

It is an amenable number.

27131836 is a deficient number, since it is larger than the sum of its proper divisors (20348884).

27131836 is a wasteful number, since it uses less digits than its factorization.

27131836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782963 (or 6782961 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 27131836 is about 5208.8228996578. The cubic root of 27131836 is about 300.4874889010.

The spelling of 27131836 in words is "twenty-seven million, one hundred thirty-one thousand, eight hundred thirty-six".