27666842 has 16 divisors (see below), whose sum is σ = 47518272. Its totient is φ = 11834880.

The previous prime is 27666833. The next prime is 27666853. The reversal of 27666842 is 24866672.

It is a self number, because there is not a number n which added to its sum of digits gives 27666842.

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, 7433 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (2969892).

Almost surely, 2^27666842 is an apocalyptic number.

27666842 is a deficient number, since it is larger than the sum of its proper divisors (19851430).

27666842 is a wasteful number, since it uses less digits than its factorization.

27666842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its digits is 193536, while the sum is 41.

The square root of 27666842 is about 5259.9279462745. The cubic root of 27666842 is about 302.4497268639.

The spelling of 27666842 in words is "twenty-seven million, six hundred sixty-six thousand, eight hundred forty-two".