2776768 has 28 divisors (see below), whose sum is σ = 5643880. Its totient is φ = 1354752.

The previous prime is 2776751. The next prime is 2776769. The reversal of 2776768 is 8676772.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2776769) 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, 2248 + ... + 3256.

2^2776768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2776768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821940).

2776768 is an abundant number, since it is smaller than the sum of its proper divisors (2867112).

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

2776768 is a wasteful number, since it uses less digits than its factorization.

2776768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1054 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 2776768 is about 1666.3637057977. The cubic root of 2776768 is about 140.5550752279. Note that the first 3 decimals are identical.

The spelling of 2776768 in words is "two million, seven hundred seventy-six thousand, seven hundred sixty-eight".