27749363 has 2 divisors, whose sum is σ = 27749364. Its totient is φ = 27749362.

The previous prime is 27749357. The next prime is 27749377. The reversal of 27749363 is 36394772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27749363 - 2¹⁰ = 27748339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27749363.

It is not a weakly prime, because it can be changed into another prime (27749353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13874681 + 13874682.

It is an arithmetic number, because the mean of its divisors is an integer number (13874682).

Almost surely, 2^27749363 is an apocalyptic number.

27749363 is a deficient number, since it is larger than the sum of its proper divisors (1).

27749363 is an equidigital number, since it uses as much as digits as its factorization.

27749363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 27749363 is about 5267.7664147151. The cubic root of 27749363 is about 302.7501307516.

The spelling of 27749363 in words is "twenty-seven million, seven hundred forty-nine thousand, three hundred sixty-three".