9666722 has 8 divisors (see below), whose sum is σ = 15615516. Its totient is φ = 4461552.

The previous prime is 9666719. The next prime is 9666743. The reversal of 9666722 is 2276669.

It can be written as a sum of positive squares in 2 ways, for example, as 9665881 + 841 = 3109^2 + 29^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185873 + ... + 185924.

Almost surely, 2^9666722 is an apocalyptic number.

9666722 is a deficient number, since it is larger than the sum of its proper divisors (5948794).

9666722 is a wasteful number, since it uses less digits than its factorization.

9666722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371812.

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

The square root of 9666722 is about 3109.1352495509. The cubic root of 9666722 is about 213.0229574027.

The spelling of 9666722 in words is "nine million, six hundred sixty-six thousand, seven hundred twenty-two".