7999716 has 12 divisors (see below), whose sum is σ = 18666032. Its totient is φ = 2666568.

The previous prime is 7999711. The next prime is 7999727. The reversal of 7999716 is 6179997.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7999711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333310 + ... + 333333.

Almost surely, 2^7999716 is an apocalyptic number.

It is an amenable number.

7999716 is an abundant number, since it is smaller than the sum of its proper divisors (10666316).

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

7999716 is a wasteful number, since it uses less digits than its factorization.

7999716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666650 (or 666648 counting only the distinct ones).

The product of its digits is 214326, while the sum is 48.

The square root of 7999716 is about 2828.3769197192. The cubic root of 7999716 is about 199.9976333053.

The spelling of 7999716 in words is "seven million, nine hundred ninety-nine thousand, seven hundred sixteen".