7968709 has 16 divisors (see below), whose sum is σ = 9497088. Its totient is φ = 6544512.

The previous prime is 7968703. The next prime is 7968743. The reversal of 7968709 is 9078697.

It is a cyclic number.

It is not a de Polignac number, because 7968709 - 2²¹ = 5871557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7968703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17209 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (593568).

Almost surely, 2^7968709 is an apocalyptic number.

It is an amenable number.

7968709 is a deficient number, since it is larger than the sum of its proper divisors (1528379).

7968709 is a wasteful number, since it uses less digits than its factorization.

7968709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 7968709 is about 2822.8901856077. The cubic root of 7968709 is about 199.7389009514.

The spelling of 7968709 in words is "seven million, nine hundred sixty-eight thousand, seven hundred nine".