27868061 has 8 divisors (see below), whose sum is σ = 30054360. Its totient is φ = 25687872.

The previous prime is 27868037. The next prime is 27868073. The reversal of 27868061 is 16086872.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 27825625 = 206^2 + 5275^2 .

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 27868061 - 2²² = 23673757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27868031) 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, 13451 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (3756795).

Almost surely, 2^27868061 is an apocalyptic number.

It is an amenable number.

27868061 is a deficient number, since it is larger than the sum of its proper divisors (2186299).

27868061 is a wasteful number, since it uses less digits than its factorization.

27868061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 27868061 is about 5279.0208372387. The cubic root of 27868061 is about 303.1811883087.

The spelling of 27868061 in words is "twenty-seven million, eight hundred sixty-eight thousand, sixty-one".