27975371 has 2 divisors, whose sum is σ = 27975372. Its totient is φ = 27975370.

The previous prime is 27975341. The next prime is 27975377. The reversal of 27975371 is 17357972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27975371 - 2⁶ = 27975307 is a prime.

It is not a weakly prime, because it can be changed into another prime (27975377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13987685 + 13987686.

It is an arithmetic number, because the mean of its divisors is an integer number (13987686).

Almost surely, 2^27975371 is an apocalyptic number.

27975371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27975371 is an equidigital number, since it uses as much as digits as its factorization.

27975371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 41.

The square root of 27975371 is about 5289.1748883923. The cubic root of 27975371 is about 303.5698375583.

The spelling of 27975371 in words is "twenty-seven million, nine hundred seventy-five thousand, three hundred seventy-one".