7998712 has 16 divisors (see below), whose sum is σ = 15054840. Its totient is φ = 3984096.

The previous prime is 7998703. The next prime is 7998719. The reversal of 7998712 is 2178997.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998719) 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, 498 + ... + 4030.

Almost surely, 2^7998712 is an apocalyptic number.

It is an amenable number.

7998712 is a deficient number, since it is larger than the sum of its proper divisors (7056128).

7998712 is a wasteful number, since it uses less digits than its factorization.

7998712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3818 counting only the distinct ones).

The product of its digits is 63504, while the sum is 43.

The square root of 7998712 is about 2828.1994271975. The cubic root of 7998712 is about 199.9892660906.

The spelling of 7998712 in words is "seven million, nine hundred ninety-eight thousand, seven hundred twelve".