27117906 has 16 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 9030800.

The previous prime is 27117899. The next prime is 27117911. The reversal of 27117906 is 60971172.

It is an unprimeable number.

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, 11596 + ... + 13736.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^27117906 is an apocalyptic number.

27117906 is an abundant number, since it is smaller than the sum of its proper divisors (27168942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27117906 is a wasteful number, since it uses less digits than its factorization.

27117906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 27117906 is about 5207.4855736718. The cubic root of 27117906 is about 300.4360547693.

The spelling of 27117906 in words is "twenty-seven million, one hundred seventeen thousand, nine hundred six".