7997716 has 12 divisors (see below), whose sum is σ = 14026432. Its totient is φ = 3990168.

The previous prime is 7997713. The next prime is 7997719. The reversal of 7997716 is 6177997.

It is an interprime number because it is at equal distance from previous prime (7997713) and next prime (7997719).

It is a super-2 number, since 2×7997716² = 127926922433312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997711) 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, 181 + ... + 4003.

Almost surely, 2^7997716 is an apocalyptic number.

It is an amenable number.

7997716 is a deficient number, since it is larger than the sum of its proper divisors (6028716).

7997716 is a wasteful number, since it uses less digits than its factorization.

7997716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its digits is 166698, while the sum is 46.

The square root of 7997716 is about 2828.0233379518. The cubic root of 7997716 is about 199.9809648550.

It can be divided in two parts, 799 and 7716, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 7997716 in words is "seven million, nine hundred ninety-seven thousand, seven hundred sixteen".