27018071 has 2 divisors, whose sum is σ = 27018072. Its totient is φ = 27018070.

The previous prime is 27018067. The next prime is 27018113. The reversal of 27018071 is 17081072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27018071 - 2² = 27018067 is a prime.

It is a super-2 number, since 2×27018071² = 1459952321122082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27018071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27018371) by changing a digit.

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 as a sum of consecutive naturals, namely, 13509035 + 13509036.

It is an arithmetic number, because the mean of its divisors is an integer number (13509036).

Almost surely, 2^27018071 is an apocalyptic number.

27018071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27018071 is an equidigital number, since it uses as much as digits as its factorization.

27018071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 27018071 is about 5197.8910146328. The cubic root of 27018071 is about 300.0669147033.

The spelling of 27018071 in words is "twenty-seven million, eighteen thousand, seventy-one".