9668719 has 2 divisors, whose sum is σ = 9668720. Its totient is φ = 9668718.

The previous prime is 9668689. The next prime is 9668741. The reversal of 9668719 is 9178669.

9668719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9178669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9668719 - 2⁷ = 9668591 is a prime.

It is a super-2 number, since 2×9668719² = 186968254201922, which contains 22 as substring.

9668719 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9668779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834359 + 4834360.

It is an arithmetic number, because the mean of its divisors is an integer number (4834360).

Almost surely, 2^9668719 is an apocalyptic number.

9668719 is a deficient number, since it is larger than the sum of its proper divisors (1).

9668719 is an equidigital number, since it uses as much as digits as its factorization.

9668719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 9668719 is about 3109.4563833571. The cubic root of 9668719 is about 213.0376255103.

The spelling of 9668719 in words is "nine million, six hundred sixty-eight thousand, seven hundred nineteen".