27755906 has 8 divisors (see below), whose sum is σ = 41658624. Its totient is φ = 13869700.

The previous prime is 27755899. The next prime is 27755927. The reversal of 27755906 is 60955772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (5207328).

Almost surely, 2^27755906 is an apocalyptic number.

27755906 is a deficient number, since it is larger than the sum of its proper divisors (13902718).

27755906 is a wasteful number, since it uses less digits than its factorization.

27755906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 27755906 is about 5268.3874193153. The cubic root of 27755906 is about 302.7739239516.

The spelling of 27755906 in words is "twenty-seven million, seven hundred fifty-five thousand, nine hundred six".