27449 has 2 divisors, whose sum is σ = 27450. Its totient is φ = 27448.

The previous prime is 27437. The next prime is 27457. The reversal of 27449 is 94472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25600 + 1849 = 160^2 + 43^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13724 + 13725.

It is an arithmetic number, because the mean of its divisors is an integer number (13725).

2²⁷⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

27449 is a deficient number, since it is larger than the sum of its proper divisors (1).

27449 is an equidigital number, since it uses as much as digits as its factorization.

27449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 27449 is about 165.6773973721. The cubic root of 27449 is about 30.1653829041.

It can be divided in two parts, 274 and 49, that added together give a palindrome (323).

The spelling of 27449 in words is "twenty-seven thousand, four hundred forty-nine".