27775065 has 8 divisors (see below), whose sum is σ = 44440128. Its totient is φ = 14813360.

The previous prime is 27775043. The next prime is 27775103. The reversal of 27775065 is 56057772.

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

It is not a de Polignac number, because 27775065 - 2⁶ = 27775001 is a prime.

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, 925821 + ... + 925850.

It is an arithmetic number, because the mean of its divisors is an integer number (5555016).

Almost surely, 2^27775065 is an apocalyptic number.

It is an amenable number.

27775065 is a deficient number, since it is larger than the sum of its proper divisors (16665063).

27775065 is a wasteful number, since it uses less digits than its factorization.

27775065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851679.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 27775065 is about 5270.2054039667. The cubic root of 27775065 is about 302.8435729290.

The spelling of 27775065 in words is "twenty-seven million, seven hundred seventy-five thousand, sixty-five".