27093691 has 2 divisors, whose sum is σ = 27093692. Its totient is φ = 27093690.

The previous prime is 27093683. The next prime is 27093707. The reversal of 27093691 is 19639072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27093691 - 2³ = 27093683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27093691.

It is not a weakly prime, because it can be changed into another prime (27093611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13546845 + 13546846.

It is an arithmetic number, because the mean of its divisors is an integer number (13546846).

Almost surely, 2^27093691 is an apocalyptic number.

27093691 is a deficient number, since it is larger than the sum of its proper divisors (1).

27093691 is an equidigital number, since it uses as much as digits as its factorization.

27093691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 27093691 is about 5205.1600359643. The cubic root of 27093691 is about 300.3466031038.

It can be divided in two parts, 2709 and 3691, that added together give a square (6400 = 80²).

The spelling of 27093691 in words is "twenty-seven million, ninety-three thousand, six hundred ninety-one".