27668307 has 8 divisors (see below), whose sum is σ = 37749184. Its totient is φ = 18016488.

The previous prime is 27668297. The next prime is 27668309. The reversal of 27668307 is 70386672.

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-27668307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27668309) 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, 107113 + ... + 107370.

It is an arithmetic number, because the mean of its divisors is an integer number (4718648).

Almost surely, 2^27668307 is an apocalyptic number.

27668307 is a deficient number, since it is larger than the sum of its proper divisors (10080877).

27668307 is a wasteful number, since it uses less digits than its factorization.

27668307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214529.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 27668307 is about 5260.0672048939. The cubic root of 27668307 is about 302.4550651557.

The spelling of 27668307 in words is "twenty-seven million, six hundred sixty-eight thousand, three hundred seven".