27190949 has 2 divisors, whose sum is σ = 27190950. Its totient is φ = 27190948.

The previous prime is 27190909. The next prime is 27190963. The reversal of 27190949 is 94909172.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18232900 + 8958049 = 4270^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27190949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27190909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13595474 + 13595475.

It is an arithmetic number, because the mean of its divisors is an integer number (13595475).

Almost surely, 2^27190949 is an apocalyptic number.

It is an amenable number.

27190949 is a deficient number, since it is larger than the sum of its proper divisors (1).

27190949 is an equidigital number, since it uses as much as digits as its factorization.

27190949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 27190949 is about 5214.4941269504. The cubic root of 27190949 is about 300.7055578447.

The spelling of 27190949 in words is "twenty-seven million, one hundred ninety thousand, nine hundred forty-nine".