2766520 has 16 divisors (see below), whose sum is σ = 6224760. Its totient is φ = 1106592.

The previous prime is 2766493. The next prime is 2766521. The reversal of 2766520 is 256672.

2766520 is digitally balanced in base 2, 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 (2766521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34542 + ... + 34621.

2^2766520 is an apocalyptic number.

2766520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2766520 is an abundant number, since it is smaller than the sum of its proper divisors (3458240).

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

2766520 is a wasteful number, since it uses less digits than its factorization.

2766520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69174 (or 69170 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2766520 is about 1663.2859044674. The cubic root of 2766520 is about 140.3819502071.

The spelling of 2766520 in words is "two million, seven hundred sixty-six thousand, five hundred twenty".