2766078 has 48 divisors (see below), whose sum is σ = 7094880. Its totient is φ = 762048.

The previous prime is 2766059. The next prime is 2766109. The reversal of 2766078 is 8706672.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3276 + ... + 4032.

It is an arithmetic number, because the mean of its divisors is an integer number (147810).

2^2766078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2766078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547440).

2766078 is an abundant number, since it is smaller than the sum of its proper divisors (4328802).

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

2766078 is a wasteful number, since it uses less digits than its factorization.

2766078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2766078 is about 1663.1530296398. The cubic root of 2766078 is about 140.3744736509.

The spelling of 2766078 in words is "two million, seven hundred sixty-six thousand, seventy-eight".