27742367 has 2 divisors, whose sum is σ = 27742368. Its totient is φ = 27742366.

The previous prime is 27742349. The next prime is 27742369. The reversal of 27742367 is 76324772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27742367 - 2¹⁴ = 27725983 is a prime.

Together with 27742369, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27742367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27742369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13871183 + 13871184.

It is an arithmetic number, because the mean of its divisors is an integer number (13871184).

Almost surely, 2^27742367 is an apocalyptic number.

27742367 is a deficient number, since it is larger than the sum of its proper divisors (1).

27742367 is an equidigital number, since it uses as much as digits as its factorization.

27742367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 38.

The square root of 27742367 is about 5267.1023343011. The cubic root of 27742367 is about 302.7246861082.

The spelling of 27742367 in words is "twenty-seven million, seven hundred forty-two thousand, three hundred sixty-seven".