27707057 has 8 divisors (see below), whose sum is σ = 31770816. Its totient is φ = 23669712.

The previous prime is 27707051. The next prime is 27707083. The reversal of 27707057 is 75070772.

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 27707057 - 2⁴ = 27707041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27707051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4298 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (3971352).

Almost surely, 2^27707057 is an apocalyptic number.

27707057 is the 4298-th pentagonal number.

It is an amenable number.

27707057 is a deficient number, since it is larger than the sum of its proper divisors (4063759).

27707057 is a wasteful number, since it uses less digits than its factorization.

27707057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207.

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 27707057 is about 5263.7493291379. The cubic root of 27707057 is about 302.5961973496.

The spelling of 27707057 in words is "twenty-seven million, seven hundred seven thousand, fifty-seven".