27749713 has 2 divisors, whose sum is σ = 27749714. Its totient is φ = 27749712.

The previous prime is 27749699. The next prime is 27749717. The reversal of 27749713 is 31794772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 7884864 = 4457^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 27749713 - 2¹³ = 27741521 is a prime.

It is not a weakly prime, because it can be changed into another prime (27749717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13874856 + 13874857.

It is an arithmetic number, because the mean of its divisors is an integer number (13874857).

Almost surely, 2^27749713 is an apocalyptic number.

It is an amenable number.

27749713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27749713 is an equidigital number, since it uses as much as digits as its factorization.

27749713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 27749713 is about 5267.7996355215. The cubic root of 27749713 is about 302.7514035988.

The spelling of 27749713 in words is "twenty-seven million, seven hundred forty-nine thousand, seven hundred thirteen".