27080729 has 12 divisors (see below), whose sum is σ = 30603456. Its totient is φ = 23907312.

The previous prime is 27080717. The next prime is 27080741. The reversal of 27080729 is 92708072.

It is an interprime number because it is at equal distance from previous prime (27080717) and next prime (27080741).

It is a de Polignac number, because none of the positive numbers 2^k-27080729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27080129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (2550288).

Almost surely, 2^27080729 is an apocalyptic number.

It is an amenable number.

27080729 is a deficient number, since it is larger than the sum of its proper divisors (3522727).

27080729 is a wasteful number, since it uses less digits than its factorization.

27080729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7003 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 27080729 is about 5203.9147763967. The cubic root of 27080729 is about 300.2986987944.

The spelling of 27080729 in words is "twenty-seven million, eighty thousand, seven hundred twenty-nine".