9664761 has 8 divisors (see below), whose sum is σ = 13446720. Its totient is φ = 6162992.

The previous prime is 9664757. The next prime is 9664771. The reversal of 9664761 is 1674669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9664761 - 2² = 9664757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9664741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69966 + ... + 70103.

It is an arithmetic number, because the mean of its divisors is an integer number (1680840).

Almost surely, 2^9664761 is an apocalyptic number.

It is an amenable number.

9664761 is a deficient number, since it is larger than the sum of its proper divisors (3781959).

9664761 is a wasteful number, since it uses less digits than its factorization.

9664761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140095.

The product of its digits is 54432, while the sum is 39.

The square root of 9664761 is about 3108.8198725561. The cubic root of 9664761 is about 213.0085517517.

The spelling of 9664761 in words is "nine million, six hundred sixty-four thousand, seven hundred sixty-one".