2775768 has 16 divisors (see below), whose sum is σ = 6939480. Its totient is φ = 925248.

The previous prime is 2775761. The next prime is 2775781. The reversal of 2775768 is 8675772.

2775768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775761) 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 3 ways as a sum of consecutive naturals, for example, 57805 + ... + 57852.

2^2775768 is an apocalyptic number.

It is an amenable number.

2775768 is an abundant number, since it is smaller than the sum of its proper divisors (4163712).

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

2775768 is a wasteful number, since it uses less digits than its factorization.

2775768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115666 (or 115662 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The square root of 2775768 is about 1666.0636242353. The cubic root of 2775768 is about 140.5382004595.

The spelling of 2775768 in words is "two million, seven hundred seventy-five thousand, seven hundred sixty-eight".