27444091 has 2 divisors, whose sum is σ = 27444092. Its totient is φ = 27444090.

The previous prime is 27444077. The next prime is 27444133. The reversal of 27444091 is 19044472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27444091 - 2⁷ = 27443963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27444061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722045 + 13722046.

It is an arithmetic number, because the mean of its divisors is an integer number (13722046).

Almost surely, 2^27444091 is an apocalyptic number.

27444091 is a deficient number, since it is larger than the sum of its proper divisors (1).

27444091 is an equidigital number, since it uses as much as digits as its factorization.

27444091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27444091 is about 5238.7108146948. The cubic root of 27444091 is about 301.6358453023.

The spelling of 27444091 in words is "twenty-seven million, four hundred forty-four thousand, ninety-one".