27382769 has 2 divisors, whose sum is σ = 27382770. Its totient is φ = 27382768.

The previous prime is 27382763. The next prime is 27382807. The reversal of 27382769 is 96728372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 7491169 = 4460^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 27382769 - 2⁴ = 27382753 is a prime.

It is a super-2 number, since 2×27382769² = 1499632076214722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27382763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13691384 + 13691385.

It is an arithmetic number, because the mean of its divisors is an integer number (13691385).

Almost surely, 2^27382769 is an apocalyptic number.

It is an amenable number.

27382769 is a deficient number, since it is larger than the sum of its proper divisors (1).

27382769 is an equidigital number, since it uses as much as digits as its factorization.

27382769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 27382769 is about 5232.8547658042. The cubic root of 27382769 is about 301.4110160043.

The spelling of 27382769 in words is "twenty-seven million, three hundred eighty-two thousand, seven hundred sixty-nine".