27742349 has 2 divisors, whose sum is σ = 27742350. Its totient is φ = 27742348.

The previous prime is 27742343. The next prime is 27742367. The reversal of 27742349 is 94324772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27510025 + 232324 = 5245^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 27742349 - 2¹⁶ = 27676813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27742343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13871174 + 13871175.

It is an arithmetic number, because the mean of its divisors is an integer number (13871175).

Almost surely, 2^27742349 is an apocalyptic number.

It is an amenable number.

27742349 is a deficient number, since it is larger than the sum of its proper divisors (1).

27742349 is an equidigital number, since it uses as much as digits as its factorization.

27742349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 27742349 is about 5267.1006255814. The cubic root of 27742349 is about 302.7246206362.

The spelling of 27742349 in words is "twenty-seven million, seven hundred forty-two thousand, three hundred forty-nine".