27490027 has 2 divisors, whose sum is σ = 27490028. Its totient is φ = 27490026.

The previous prime is 27490013. The next prime is 27490063. The reversal of 27490027 is 72009472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27490027 - 2¹⁹ = 26965739 is a prime.

It is not a weakly prime, because it can be changed into another prime (27490327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13745013 + 13745014.

It is an arithmetic number, because the mean of its divisors is an integer number (13745014).

Almost surely, 2^27490027 is an apocalyptic number.

27490027 is a deficient number, since it is larger than the sum of its proper divisors (1).

27490027 is an equidigital number, since it uses as much as digits as its factorization.

27490027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27490027 is about 5243.0932663839. The cubic root of 27490027 is about 301.8040444806.

Adding to 27490027 its reverse (72009472), we get a palindrome (99499499).

The spelling of 27490027 in words is "twenty-seven million, four hundred ninety thousand, twenty-seven".