27973027 has 2 divisors, whose sum is σ = 27973028. Its totient is φ = 27973026.

The previous prime is 27973013. The next prime is 27973039. The reversal of 27973027 is 72037972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27973027 - 2¹⁹ = 27448739 is a prime.

It is not a weakly prime, because it can be changed into another prime (27973327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13986513 + 13986514.

It is an arithmetic number, because the mean of its divisors is an integer number (13986514).

Almost surely, 2^27973027 is an apocalyptic number.

27973027 is a deficient number, since it is larger than the sum of its proper divisors (1).

27973027 is an equidigital number, since it uses as much as digits as its factorization.

27973027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 27973027 is about 5288.9532990943. The cubic root of 27973027 is about 303.5613588197.

The spelling of 27973027 in words is "twenty-seven million, nine hundred seventy-three thousand, twenty-seven".