9675681 has 4 divisors (see below), whose sum is σ = 12900912. Its totient is φ = 6450452.

The previous prime is 9675649. The next prime is 9675691. The reversal of 9675681 is 1865769.

9675681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1865769 = 3 ⋅621923.

It is a cyclic number.

It is not a de Polignac number, because 9675681 - 2⁵ = 9675649 is a prime.

It is a super-2 number, since 2×9675681² = 187237605627522, which contains 22 as substring.

9675681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9675691) by changing a digit.

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, 1612611 + ... + 1612616.

It is an arithmetic number, because the mean of its divisors is an integer number (3225228).

Almost surely, 2^9675681 is an apocalyptic number.

It is an amenable number.

9675681 is a deficient number, since it is larger than the sum of its proper divisors (3225231).

9675681 is a wasteful number, since it uses less digits than its factorization.

9675681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225230.

The product of its digits is 90720, while the sum is 42.

The square root of 9675681 is about 3110.5756701935. The cubic root of 9675681 is about 213.0887461087.

The spelling of 9675681 in words is "nine million, six hundred seventy-five thousand, six hundred eighty-one".