27568641 has 8 divisors (see below), whose sum is σ = 37944064. Its totient is φ = 17786160.

The previous prime is 27568637. The next prime is 27568643. The reversal of 27568641 is 14686572.

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

It is not a de Polignac number, because 27568641 - 2² = 27568637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27568641.

It is not an unprimeable number, because it can be changed into a prime (27568643) 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, 148126 + ... + 148311.

It is an arithmetic number, because the mean of its divisors is an integer number (4743008).

Almost surely, 2^27568641 is an apocalyptic number.

It is an amenable number.

27568641 is a deficient number, since it is larger than the sum of its proper divisors (10375423).

27568641 is a wasteful number, since it uses less digits than its factorization.

27568641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296471.

The product of its digits is 80640, while the sum is 39.

The square root of 27568641 is about 5250.5848245695. The cubic root of 27568641 is about 302.0914631671.

The spelling of 27568641 in words is "twenty-seven million, five hundred sixty-eight thousand, six hundred forty-one".