9664773 has 4 divisors (see below), whose sum is σ = 12886368. Its totient is φ = 6443180.

The previous prime is 9664771. The next prime is 9664793. The reversal of 9664773 is 3774669.

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.

It is a cyclic number.

It is not a de Polignac number, because 9664773 - 2¹ = 9664771 is a prime.

It is a Curzon number.

9664773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664771) 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, 1610793 + ... + 1610798.

It is an arithmetic number, because the mean of its divisors is an integer number (3221592).

Almost surely, 2^9664773 is an apocalyptic number.

It is an amenable number.

9664773 is a deficient number, since it is larger than the sum of its proper divisors (3221595).

9664773 is a wasteful number, since it uses less digits than its factorization.

9664773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221594.

The product of its digits is 190512, while the sum is 42.

The square root of 9664773 is about 3108.8218025484. The cubic root of 9664773 is about 213.0086399105.

The spelling of 9664773 in words is "nine million, six hundred sixty-four thousand, seven hundred seventy-three".