27427916 has 12 divisors (see below), whose sum is σ = 48243888. Its totient is φ = 13643952.

The previous prime is 27427909. The next prime is 27427927. The reversal of 27427916 is 61972472.

It is a super-2 number, since 2×27427916² = 1504581152206112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27427916.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16616 + ... + 18191.

It is an arithmetic number, because the mean of its divisors is an integer number (4020324).

Almost surely, 2^27427916 is an apocalyptic number.

It is an amenable number.

27427916 is a deficient number, since it is larger than the sum of its proper divisors (20815972).

27427916 is a wasteful number, since it uses less digits than its factorization.

27427916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008 (or 35006 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 27427916 is about 5237.1667913100. The cubic root of 27427916 is about 301.5765742722.

The spelling of 27427916 in words is "twenty-seven million, four hundred twenty-seven thousand, nine hundred sixteen".