27667028 has 12 divisors (see below), whose sum is σ = 48525120. Its totient is φ = 13802712.

The previous prime is 27667027. The next prime is 27667049. The reversal of 27667028 is 82076672.

It is a junction number, because it is equal to n+sod(n) for n = 27666982 and 27667000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27667027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5618 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (4043760).

Almost surely, 2^27667028 is an apocalyptic number.

It is an amenable number.

27667028 is a deficient number, since it is larger than the sum of its proper divisors (20858092).

27667028 is a wasteful number, since it uses less digits than its factorization.

27667028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15406 (or 15404 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 27667028 is about 5259.9456270954. The cubic root of 27667028 is about 302.4504046370.

The spelling of 27667028 in words is "twenty-seven million, six hundred sixty-seven thousand, twenty-eight".