2764666 has 8 divisors (see below), whose sum is σ = 4186080. Its totient is φ = 1369308.

The previous prime is 2764651. The next prime is 2764667. The reversal of 2764666 is 6664672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2764667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6246 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

2^2764666 is an apocalyptic number.

2764666 is a deficient number, since it is larger than the sum of its proper divisors (1421414).

2764666 is a wasteful number, since it uses less digits than its factorization.

2764666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028.

The product of its digits is 72576, while the sum is 37.

The square root of 2764666 is about 1662.7284805403. The cubic root of 2764666 is about 140.3505839301.

The spelling of 2764666 in words is "two million, seven hundred sixty-four thousand, six hundred sixty-six".