27130757 has 2 divisors, whose sum is σ = 27130758. Its totient is φ = 27130756.

The previous prime is 27130739. The next prime is 27130769. The reversal of 27130757 is 75703172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 2070721 = 5006^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 27130757 - 2⁶ = 27130693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27130717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13565378 + 13565379.

It is an arithmetic number, because the mean of its divisors is an integer number (13565379).

Almost surely, 2^27130757 is an apocalyptic number.

It is an amenable number.

27130757 is a deficient number, since it is larger than the sum of its proper divisors (1).

27130757 is an equidigital number, since it uses as much as digits as its factorization.

27130757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 27130757 is about 5208.7193243637. The cubic root of 27130757 is about 300.4835055080.

The spelling of 27130757 in words is "twenty-seven million, one hundred thirty thousand, seven hundred fifty-seven".