27740051 has 2 divisors, whose sum is σ = 27740052. Its totient is φ = 27740050.

The previous prime is 27740033. The next prime is 27740099. The reversal of 27740051 is 15004772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27740051 - 2¹⁸ = 27477907 is a prime.

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 27740051.

It is not a weakly prime, because it can be changed into another prime (27740851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13870025 + 13870026.

It is an arithmetic number, because the mean of its divisors is an integer number (13870026).

Almost surely, 2^27740051 is an apocalyptic number.

27740051 is a deficient number, since it is larger than the sum of its proper divisors (1).

27740051 is an equidigital number, since it uses as much as digits as its factorization.

27740051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 27740051 is about 5266.8824744815. The cubic root of 27740051 is about 302.7162618104.

The spelling of 27740051 in words is "twenty-seven million, seven hundred forty thousand, fifty-one".