9666740 has 12 divisors (see below), whose sum is σ = 20300196. Its totient is φ = 3866688.

The previous prime is 9666719. The next prime is 9666743. The reversal of 9666740 is 476669.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 5189284 = 2116^2 + 2278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9666694 and 9666703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9666743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241649 + ... + 241688.

It is an arithmetic number, because the mean of its divisors is an integer number (1691683).

Almost surely, 2^9666740 is an apocalyptic number.

It is an amenable number.

9666740 is an abundant number, since it is smaller than the sum of its proper divisors (10633456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9666740 is a wasteful number, since it uses less digits than its factorization.

9666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483346 (or 483344 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 9666740 is about 3109.1381442451. The cubic root of 9666740 is about 213.0230896230.

The spelling of 9666740 in words is "nine million, six hundred sixty-six thousand, seven hundred forty".