27066293 has 2 divisors, whose sum is σ = 27066294. Its totient is φ = 27066292.

The previous prime is 27066289. The next prime is 27066323. The reversal of 27066293 is 39266072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 47089 = 5198^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 27066293 - 2² = 27066289 is a prime.

It is equal to p_1686923 and since 27066293 and 1686923 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27066253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533146 + 13533147.

It is an arithmetic number, because the mean of its divisors is an integer number (13533147).

Almost surely, 2^27066293 is an apocalyptic number.

It is an amenable number.

27066293 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066293 is an equidigital number, since it uses as much as digits as its factorization.

27066293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 27066293 is about 5202.5275587929. The cubic root of 27066293 is about 300.2453289540.

It can be divided in two parts, 2 and 7066293, that multiplied together give a triangular number (14132586 = T₅₃₁₆).

The spelling of 27066293 in words is "twenty-seven million, sixty-six thousand, two hundred ninety-three".