27090066 has 8 divisors (see below), whose sum is σ = 54180144. Its totient is φ = 9030020.

The previous prime is 27090047. The next prime is 27090083. The reversal of 27090066 is 66009072.

It is a sphenic number, since it is the product of 3 distinct primes.

27090066 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257500 + ... + 2257511.

It is an arithmetic number, because the mean of its divisors is an integer number (6772518).

Almost surely, 2^27090066 is an apocalyptic number.

27090066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27090066 is a wasteful number, since it uses less digits than its factorization.

27090066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515016.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 27090066 is about 5204.8118121600. The cubic root of 27090066 is about 300.3332075499. Note that the first 3 decimals are identical.

The spelling of 27090066 in words is "twenty-seven million, ninety thousand, sixty-six".