27319693 has 2 divisors, whose sum is σ = 27319694. Its totient is φ = 27319692.

The previous prime is 27319673. The next prime is 27319703. The reversal of 27319693 is 39691372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23941449 + 3378244 = 4893^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 27319693 - 2⁵ = 27319661 is a prime.

It is a super-2 number, since 2×27319693² = 1492731251228498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27319603) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13659846 + 13659847.

It is an arithmetic number, because the mean of its divisors is an integer number (13659847).

Almost surely, 2^27319693 is an apocalyptic number.

It is an amenable number.

27319693 is a deficient number, since it is larger than the sum of its proper divisors (1).

27319693 is an equidigital number, since it uses as much as digits as its factorization.

27319693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 40.

The square root of 27319693 is about 5226.8243704950. The cubic root of 27319693 is about 301.1794054149.

The spelling of 27319693 in words is "twenty-seven million, three hundred nineteen thousand, six hundred ninety-three".