27093661 has 16 divisors (see below), whose sum is σ = 32215680. Its totient is φ = 22302720.

The previous prime is 27093641. The next prime is 27093679. The reversal of 27093661 is 16639072.

It is a 6-Lehmer number, since φ(27093661) divides (27093661-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 27093661 - 2⁵ = 27093629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27093611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18525 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (2013480).

Almost surely, 2^27093661 is an apocalyptic number.

It is an amenable number.

27093661 is a deficient number, since it is larger than the sum of its proper divisors (5122019).

27093661 is a wasteful number, since it uses less digits than its factorization.

27093661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 27093661 is about 5205.1571542077. The cubic root of 27093661 is about 300.3464922489.

The spelling of 27093661 in words is "twenty-seven million, ninety-three thousand, six hundred sixty-one".