27270671 has 2 divisors, whose sum is σ = 27270672. Its totient is φ = 27270670.

The previous prime is 27270653. The next prime is 27270679. The reversal of 27270671 is 17607272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27270671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27270679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13635335 + 13635336.

It is an arithmetic number, because the mean of its divisors is an integer number (13635336).

Almost surely, 2^27270671 is an apocalyptic number.

27270671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27270671 is an equidigital number, since it uses as much as digits as its factorization.

27270671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 27270671 is about 5222.1328018349. The cubic root of 27270671 is about 300.9991537965. Note that the first 3 decimals are identical.

The spelling of 27270671 in words is "twenty-seven million, two hundred seventy thousand, six hundred seventy-one".