27775042 has 16 divisors (see below), whose sum is σ = 44222112. Its totient is φ = 13038400.

The previous prime is 27775003. The next prime is 27775043. The reversal of 27775042 is 24057772.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 27774989 and 27775007.

It is not an unprimeable number, because it can be changed into a prime (27775043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18417 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (2763882).

Almost surely, 2^27775042 is an apocalyptic number.

27775042 is a deficient number, since it is larger than the sum of its proper divisors (16447070).

27775042 is a wasteful number, since it uses less digits than its factorization.

27775042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 27775042 is about 5270.2032218881. The cubic root of 27775042 is about 302.8434893360.

The spelling of 27775042 in words is "twenty-seven million, seven hundred seventy-five thousand, forty-two".