27308081 has 8 divisors (see below), whose sum is σ = 28164864. Its totient is φ = 26462880.

The previous prime is 27308041. The next prime is 27308093. The reversal of 27308081 is 18080372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27308081 is a prime.

It is a super-2 number, since 2×27308081² = 1491462575805122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27308041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 7661.

It is an arithmetic number, because the mean of its divisors is an integer number (3520608).

Almost surely, 2^27308081 is an apocalyptic number.

It is an amenable number.

27308081 is a deficient number, since it is larger than the sum of its proper divisors (856783).

27308081 is a wasteful number, since it uses less digits than its factorization.

27308081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27308081 is about 5225.7134441146. The cubic root of 27308081 is about 301.1367281312.

The spelling of 27308081 in words is "twenty-seven million, three hundred eight thousand, eighty-one".