27016729 has 2 divisors, whose sum is σ = 27016730. Its totient is φ = 27016728.

The previous prime is 27016721. The next prime is 27016739. The reversal of 27016729 is 92761072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22543504 + 4473225 = 4748^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 27016729 - 2³ = 27016721 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 27016694 and 27016703.

It is not a weakly prime, because it can be changed into another prime (27016721) 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, 13508364 + 13508365.

It is an arithmetic number, because the mean of its divisors is an integer number (13508365).

Almost surely, 2^27016729 is an apocalyptic number.

It is an amenable number.

27016729 is a deficient number, since it is larger than the sum of its proper divisors (1).

27016729 is an equidigital number, since it uses as much as digits as its factorization.

27016729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 27016729 is about 5197.7619222123. The cubic root of 27016729 is about 300.0619464672.

The spelling of 27016729 in words is "twenty-seven million, sixteen thousand, seven hundred twenty-nine".