7676666 has 4 divisors (see below), whose sum is σ = 11515002. Its totient is φ = 3838332.

The previous prime is 7676633. The next prime is 7676671. The reversal of 7676666 is 6666767.

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., 4687225 + 2989441 = 2165^2 + 1729^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1919165 + ... + 1919168.

Almost surely, 2^7676666 is an apocalyptic number.

7676666 is a deficient number, since it is larger than the sum of its proper divisors (3838336).

7676666 is a wasteful number, since it uses less digits than its factorization.

7676666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838335.

The product of its digits is 381024, while the sum is 44.

The square root of 7676666 is about 2770.6797000014. The cubic root of 7676666 is about 197.2684119841.

The spelling of 7676666 in words is "seven million, six hundred seventy-six thousand, six hundred sixty-six".