2756666 has 8 divisors (see below), whose sum is σ = 4510944. Its totient is φ = 1253020.

The previous prime is 2756659. The next prime is 2756671. The reversal of 2756666 is 6666572.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62630 + ... + 62673.

It is an arithmetic number, because the mean of its divisors is an integer number (563868).

2^2756666 is an apocalyptic number.

2756666 is a deficient number, since it is larger than the sum of its proper divisors (1754278).

2756666 is a wasteful number, since it uses less digits than its factorization.

2756666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125316.

The product of its digits is 90720, while the sum is 38.

The square root of 2756666 is about 1660.3210532906. The cubic root of 2756666 is about 140.2150775772.

The spelling of 2756666 in words is "two million, seven hundred fifty-six thousand, six hundred sixty-six".