27056705 has 8 divisors (see below), whose sum is σ = 34965672. Its totient is φ = 19980288.

The previous prime is 27056699. The next prime is 27056723. The reversal of 27056705 is 50765072.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5303809 + 21752896 = 2303^2 + 4664^2 .

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 27056705 - 2⁶ = 27056641 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208064 + ... + 208193.

It is an arithmetic number, because the mean of its divisors is an integer number (4370709).

Almost surely, 2^27056705 is an apocalyptic number.

It is an amenable number.

27056705 is a deficient number, since it is larger than the sum of its proper divisors (7908967).

27056705 is a wasteful number, since it uses less digits than its factorization.

27056705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416275.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 27056705 is about 5201.6060019959. The cubic root of 27056705 is about 300.2098716639.

The spelling of 27056705 in words is "twenty-seven million, fifty-six thousand, seven hundred five".