7999976 has 16 divisors (see below), whose sum is σ = 15031140. Its totient is φ = 3991680.

The previous prime is 7999963. The next prime is 7999993. The reversal of 7999976 is 6799997.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 763876 = 2690^2 + 874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5396 + ... + 6716.

Almost surely, 2^7999976 is an apocalyptic number.

It is an amenable number.

7999976 is a deficient number, since it is larger than the sum of its proper divisors (7031164).

7999976 is a wasteful number, since it uses less digits than its factorization.

7999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2080 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 56.

The square root of 7999976 is about 2828.4228821023. The cubic root of 7999976 is about 199.9997999998. Note that the first 3 decimals are identical.

The spelling of 7999976 in words is "seven million, nine hundred ninety-nine thousand, nine hundred seventy-six".