27713929 has 2 divisors, whose sum is σ = 27713930. Its totient is φ = 27713928.

The previous prime is 27713923. The next prime is 27713941. The reversal of 27713929 is 92931772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 725904 = 5195^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 27713929 - 2³ = 27713921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27713891 and 27713900.

It is not a weakly prime, because it can be changed into another prime (27713921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856964 + 13856965.

It is an arithmetic number, because the mean of its divisors is an integer number (13856965).

Almost surely, 2^27713929 is an apocalyptic number.

It is an amenable number.

27713929 is a deficient number, since it is larger than the sum of its proper divisors (1).

27713929 is an equidigital number, since it uses as much as digits as its factorization.

27713929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 27713929 is about 5264.4020553145. The cubic root of 27713929 is about 302.6212122664.

The spelling of 27713929 in words is "twenty-seven million, seven hundred thirteen thousand, nine hundred twenty-nine".