27420037 has 2 divisors, whose sum is σ = 27420038. Its totient is φ = 27420036.

The previous prime is 27420017. The next prime is 27420053. The reversal of 27420037 is 73002472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27394756 + 25281 = 5234^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 27420037 - 2²³ = 19031429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27419993 and 27420020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27420007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13710018 + 13710019.

It is an arithmetic number, because the mean of its divisors is an integer number (13710019).

Almost surely, 2^27420037 is an apocalyptic number.

It is an amenable number.

27420037 is a deficient number, since it is larger than the sum of its proper divisors (1).

27420037 is an equidigital number, since it uses as much as digits as its factorization.

27420037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 27420037 is about 5236.4145175874. The cubic root of 27420037 is about 301.5476943361.

The spelling of 27420037 in words is "twenty-seven million, four hundred twenty thousand, thirty-seven".