27479071 has 2 divisors, whose sum is σ = 27479072. Its totient is φ = 27479070.

The previous prime is 27479063. The next prime is 27479093. The reversal of 27479071 is 17097472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27479071 - 2³ = 27479063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27479071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27429071) 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, 13739535 + 13739536.

It is an arithmetic number, because the mean of its divisors is an integer number (13739536).

Almost surely, 2^27479071 is an apocalyptic number.

27479071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27479071 is an equidigital number, since it uses as much as digits as its factorization.

27479071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 27479071 is about 5242.0483591817. The cubic root of 27479071 is about 301.7639450356.

The spelling of 27479071 in words is "twenty-seven million, four hundred seventy-nine thousand, seventy-one".