27804061 has 8 divisors (see below), whose sum is σ = 29597184. Its totient is φ = 26028480.

The previous prime is 27804019. The next prime is 27804067. The reversal of 27804061 is 16040872.

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 27804061 - 2²³ = 19415453 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 (27804067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 7528.

It is an arithmetic number, because the mean of its divisors is an integer number (3699648).

Almost surely, 2^27804061 is an apocalyptic number.

It is an amenable number.

27804061 is a deficient number, since it is larger than the sum of its proper divisors (1793123).

27804061 is a wasteful number, since it uses less digits than its factorization.

27804061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 27804061 is about 5272.9556227983. The cubic root of 27804061 is about 302.9489215965.

The spelling of 27804061 in words is "twenty-seven million, eight hundred four thousand, sixty-one".