9666670 has 64 divisors (see below), whose sum is σ = 20248704. Its totient is φ = 3294720.

The previous prime is 9666661. The next prime is 9666689. The reversal of 9666670 is 766669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158440 + ... + 158500.

It is an arithmetic number, because the mean of its divisors is an integer number (316386).

Almost surely, 2^9666670 is an apocalyptic number.

9666670 is an abundant number, since it is smaller than the sum of its proper divisors (10582034).

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

9666670 is a wasteful number, since it uses less digits than its factorization.

9666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 9666670 is about 3109.1268870858. The cubic root of 9666670 is about 213.0225754320.

It can be divided in two parts, 96 and 66670, that added together give a palindrome (66766).

The spelling of 9666670 in words is "nine million, six hundred sixty-six thousand, six hundred seventy".