2668706 has 4 divisors (see below), whose sum is σ = 4003062. Its totient is φ = 1334352.

The previous prime is 2668693. The next prime is 2668727. The reversal of 2668706 is 6078662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 312481 = 1535^2 + 559^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667175 + ... + 667178.

2^2668706 is an apocalyptic number.

2668706 is a deficient number, since it is larger than the sum of its proper divisors (1334356).

2668706 is a wasteful number, since it uses less digits than its factorization.

2668706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334355.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2668706 is about 1633.6174582809. The cubic root of 2668706 is about 138.7075957317.

The spelling of 2668706 in words is "two million, six hundred sixty-eight thousand, seven hundred six".