7666994 has 16 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 3589344.

The previous prime is 7666993. The next prime is 7666999. The reversal of 7666994 is 4996667.

It is not an unprimeable number, because it can be changed into a prime (7666993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (765450).

Almost surely, 2^7666994 is an apocalyptic number.

7666994 is a deficient number, since it is larger than the sum of its proper divisors (4580206).

7666994 is a wasteful number, since it uses less digits than its factorization.

7666994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its digits is 489888, while the sum is 47.

The square root of 7666994 is about 2768.9337297956. The cubic root of 7666994 is about 197.1855295651.

The spelling of 7666994 in words is "seven million, six hundred sixty-six thousand, nine hundred ninety-four".