2780768 has 24 divisors (see below), whose sum is σ = 5560632. Its totient is φ = 1368576.

The previous prime is 2780761. The next prime is 2780773. The reversal of 2780768 is 8670872.

2780768 is nontrivially palindromic in base 11.

2780768 is digitally balanced in base 5, 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 (2780761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (231693).

2^2780768 is an apocalyptic number.

It is an amenable number.

2780768 is a deficient number, since it is larger than the sum of its proper divisors (2779864).

2780768 is a wasteful number, since it uses less digits than its factorization.

2780768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 2780768 is about 1667.5634920446. The cubic root of 2780768 is about 140.6225338168.

The spelling of 2780768 in words is "two million, seven hundred eighty thousand, seven hundred sixty-eight".