27827741 has 2 divisors, whose sum is σ = 27827742. Its totient is φ = 27827740.

The previous prime is 27827729. The next prime is 27827749. The reversal of 27827741 is 14772872.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 2116 = 5275^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 27827741 - 2²² = 23633437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27827695 and 27827704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27827749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13913870 + 13913871.

It is an arithmetic number, because the mean of its divisors is an integer number (13913871).

Almost surely, 2^27827741 is an apocalyptic number.

It is an amenable number.

27827741 is a deficient number, since it is larger than the sum of its proper divisors (1).

27827741 is an equidigital number, since it uses as much as digits as its factorization.

27827741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43904, while the sum is 38.

The square root of 27827741 is about 5275.2005649075. The cubic root of 27827741 is about 303.0349017804.

The spelling of 27827741 in words is "twenty-seven million, eight hundred twenty-seven thousand, seven hundred forty-one".