27499379 has 2 divisors, whose sum is σ = 27499380. Its totient is φ = 27499378.

The previous prime is 27499363. The next prime is 27499447. The reversal of 27499379 is 97399472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27499379 - 2⁴ = 27499363 is a prime.

It is not a weakly prime, because it can be changed into another prime (27499679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13749689 + 13749690.

It is an arithmetic number, because the mean of its divisors is an integer number (13749690).

Almost surely, 2^27499379 is an apocalyptic number.

27499379 is a deficient number, since it is larger than the sum of its proper divisors (1).

27499379 is an equidigital number, since it uses as much as digits as its factorization.

27499379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 50.

The square root of 27499379 is about 5243.9850304897. The cubic root of 27499379 is about 301.8382647867.

The spelling of 27499379 in words is "twenty-seven million, four hundred ninety-nine thousand, three hundred seventy-nine".