27713737 has 2 divisors, whose sum is σ = 27713738. Its totient is φ = 27713736.

The previous prime is 27713729. The next prime is 27713779. The reversal of 27713737 is 73731772.

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., 17338896 + 10374841 = 4164^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 27713737 - 2³ = 27713729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27713696 and 27713705.

It is not a weakly prime, because it can be changed into another prime (27713537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856868 + 13856869.

It is an arithmetic number, because the mean of its divisors is an integer number (13856869).

Almost surely, 2^27713737 is an apocalyptic number.

It is an amenable number.

27713737 is a deficient number, since it is larger than the sum of its proper divisors (1).

27713737 is an equidigital number, since it uses as much as digits as its factorization.

27713737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43218, while the sum is 37.

The square root of 27713737 is about 5264.3838195937. The cubic root of 27713737 is about 302.6205134192.

The spelling of 27713737 in words is "twenty-seven million, seven hundred thirteen thousand, seven hundred thirty-seven".