2706778 has 24 divisors (see below), whose sum is σ = 4498848. Its totient is φ = 1218888.

The previous prime is 2706731. The next prime is 2706787. The reversal of 2706778 is 8776072.

2706778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 16525 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (187452).

2^2706778 is an apocalyptic number.

2706778 is a deficient number, since it is larger than the sum of its proper divisors (1792070).

2706778 is a wasteful number, since it uses less digits than its factorization.

2706778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 2706778 is about 1645.2288594600. The cubic root of 2706778 is about 139.3640887113.

The spelling of 2706778 in words is "two million, seven hundred six thousand, seven hundred seventy-eight".