27027019 has 2 divisors, whose sum is σ = 27027020. Its totient is φ = 27027018.

The previous prime is 27026977. The next prime is 27027053. The reversal of 27027019 is 91072072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27027019 - 2⁹ = 27026507 is a prime.

It is a super-2 number, since 2×27027019² = 1460919512052722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27027089) 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, 13513509 + 13513510.

It is an arithmetic number, because the mean of its divisors is an integer number (13513510).

Almost surely, 2^27027019 is an apocalyptic number.

27027019 is a deficient number, since it is larger than the sum of its proper divisors (1).

27027019 is an equidigital number, since it uses as much as digits as its factorization.

27027019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27027019 is about 5198.7516770856. The cubic root of 27027019 is about 300.1000370087.

The spelling of 27027019 in words is "twenty-seven million, twenty-seven thousand, nineteen".