2705878 has 12 divisors (see below), whose sum is σ = 4721652. Its totient is φ = 1159620.

The previous prime is 2705869. The next prime is 2705909. The reversal of 2705878 is 8785072.

2705878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 13708 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (393471).

2^2705878 is an apocalyptic number.

2705878 is a deficient number, since it is larger than the sum of its proper divisors (2015774).

2705878 is a wasteful number, since it uses less digits than its factorization.

2705878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27627 (or 27620 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2705878 is about 1644.9553185421. The cubic root of 2705878 is about 139.3486408757.

The spelling of 2705878 in words is "two million, seven hundred five thousand, eight hundred seventy-eight".