27379069 has 2 divisors, whose sum is σ = 27379070. Its totient is φ = 27379068.

The previous prime is 27379067. The next prime is 27379117. The reversal of 27379069 is 96097372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26656569 + 722500 = 5163^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 27379069 - 2¹ = 27379067 is a prime.

It is a super-2 number, since 2×27379069² = 1499226838613522, which contains 22 as substring.

Together with 27379067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27379067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13689534 + 13689535.

It is an arithmetic number, because the mean of its divisors is an integer number (13689535).

Almost surely, 2^27379069 is an apocalyptic number.

It is an amenable number.

27379069 is a deficient number, since it is larger than the sum of its proper divisors (1).

27379069 is an equidigital number, since it uses as much as digits as its factorization.

27379069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 27379069 is about 5232.5012183467. The cubic root of 27379069 is about 301.3974396930.

The spelling of 27379069 in words is "twenty-seven million, three hundred seventy-nine thousand, sixty-nine".