7995666 has 32 divisors (see below), whose sum is σ = 18432000. Its totient is φ = 2264976.

The previous prime is 7995653. The next prime is 7995679. The reversal of 7995666 is 6665997.

It is an interprime number because it is at equal distance from previous prime (7995653) and next prime (7995679).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4585 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (576000).

Almost surely, 2^7995666 is an apocalyptic number.

7995666 is an abundant number, since it is smaller than the sum of its proper divisors (10436334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7995666 is a wasteful number, since it uses less digits than its factorization.

7995666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its digits is 612360, while the sum is 48.

The square root of 7995666 is about 2827.6608707552. The cubic root of 7995666 is about 199.9638768093.

The spelling of 7995666 in words is "seven million, nine hundred ninety-five thousand, six hundred sixty-six".