27949373 has 2 divisors, whose sum is σ = 27949374. Its totient is φ = 27949372.

The previous prime is 27949367. The next prime is 27949381. The reversal of 27949373 is 37394972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25938649 + 2010724 = 5093^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 27949373 - 2⁴ = 27949357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27949333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13974686 + 13974687.

It is an arithmetic number, because the mean of its divisors is an integer number (13974687).

Almost surely, 2^27949373 is an apocalyptic number.

It is an amenable number.

27949373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27949373 is an equidigital number, since it uses as much as digits as its factorization.

27949373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 27949373 is about 5286.7166559217. The cubic root of 27949373 is about 303.4757708322.

It can be divided in two parts, 2794 and 9373, that multiplied together give a palindrome (26188162).

The spelling of 27949373 in words is "twenty-seven million, nine hundred forty-nine thousand, three hundred seventy-three".