27374189 has 2 divisors, whose sum is σ = 27374190. Its totient is φ = 27374188.

The previous prime is 27374161. The next prime is 27374203. The reversal of 27374189 is 98147372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 4972900 = 4733^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 27374189 - 2²⁰ = 26325613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27374119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13687094 + 13687095.

It is an arithmetic number, because the mean of its divisors is an integer number (13687095).

Almost surely, 2^27374189 is an apocalyptic number.

It is an amenable number.

27374189 is a deficient number, since it is larger than the sum of its proper divisors (1).

27374189 is an equidigital number, since it uses as much as digits as its factorization.

27374189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 27374189 is about 5232.0348813822. The cubic root of 27374189 is about 301.3795317685.

The spelling of 27374189 in words is "twenty-seven million, three hundred seventy-four thousand, one hundred eighty-nine".