2766642 has 16 divisors (see below), whose sum is σ = 5559840. Its totient is φ = 917792.

The previous prime is 2766637. The next prime is 2766649. The reversal of 2766642 is 2466672.

2766642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2766649) 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 7 ways as a sum of consecutive naturals, for example, 409 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (347490).

2^2766642 is an apocalyptic number.

2766642 is an abundant number, since it is smaller than the sum of its proper divisors (2793198).

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

2766642 is a wasteful number, since it uses less digits than its factorization.

2766642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217.

The product of its digits is 24192, while the sum is 33.

The square root of 2766642 is about 1663.3225784555. The cubic root of 2766642 is about 140.3840137317.

The spelling of 2766642 in words is "two million, seven hundred sixty-six thousand, six hundred forty-two".