7066666 has 8 divisors (see below), whose sum is σ = 10779840. Its totient is φ = 3473388.

The previous prime is 7066643. The next prime is 7066699. The reversal of 7066666 is 6666607.

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

7066666 is a modest number, since divided by 6666 gives 706 as remainder.

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, 29826 + ... + 30061.

It is an arithmetic number, because the mean of its divisors is an integer number (1347480).

Almost surely, 2^7066666 is an apocalyptic number.

7066666 is a deficient number, since it is larger than the sum of its proper divisors (3713174).

7066666 is a wasteful number, since it uses less digits than its factorization.

7066666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59948.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 7066666 is about 2658.3201462578. The cubic root of 7066666 is about 191.8984742471.

The spelling of 7066666 in words is "seven million, sixty-six thousand, six hundred sixty-six".