27485681 has 8 divisors (see below), whose sum is σ = 28104000. Its totient is φ = 26872560.

The previous prime is 27485677. The next prime is 27485683. The reversal of 27485681 is 18658472.

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

It is a cyclic number.

It is not a de Polignac number, because 27485681 - 2² = 27485677 is a prime.

It is a super-2 number, since 2×27485681² = 1510925320067522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27485683) 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, 10571 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (3513000).

Almost surely, 2^27485681 is an apocalyptic number.

It is an amenable number.

27485681 is a deficient number, since it is larger than the sum of its proper divisors (618319).

27485681 is a wasteful number, since it uses less digits than its factorization.

27485681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 107520, while the sum is 41.

The square root of 27485681 is about 5242.6788000029. The cubic root of 27485681 is about 301.7881392033.

The spelling of 27485681 in words is "twenty-seven million, four hundred eighty-five thousand, six hundred eighty-one".