7997706 has 24 divisors (see below), whose sum is σ = 17752644. Its totient is φ = 2600640.

The previous prime is 7997683. The next prime is 7997711. The reversal of 7997706 is 6077997.

It can be written as a sum of positive squares in 2 ways, for example, as 6579225 + 1418481 = 2565^2 + 1191^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4681 + ... + 6156.

Almost surely, 2^7997706 is an apocalyptic number.

7997706 is an abundant number, since it is smaller than the sum of its proper divisors (9754938).

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

7997706 is a wasteful number, since it uses less digits than its factorization.

7997706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 7997706 is about 2828.0215699319. The cubic root of 7997706 is about 199.9808815058.

The spelling of 7997706 in words is "seven million, nine hundred ninety-seven thousand, seven hundred six".