9730666 has 16 divisors (see below), whose sum is σ = 15977088. Its totient is φ = 4408000.

The previous prime is 9730657. The next prime is 9730673. The reversal of 9730666 is 6660379.

9730666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9730666 is a nontrivial binomial coefficient, being equal to C(4412, 2).

It is a super-4 number, since 4×9730666⁴ (a number of 29 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8271 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (998568).

Almost surely, 2^9730666 is an apocalyptic number.

9730666 is the 4411-st triangular number and also the 2206-th hexagonal number.

9730666 is the 1471-st centered nonagonal number.

9730666 is a deficient number, since it is larger than the sum of its proper divisors (6246422).

9730666 is a wasteful number, since it uses less digits than its factorization.

9730666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 9730666 is about 3119.4015451686. The cubic root of 9730666 is about 213.4916311001.

The spelling of 9730666 in words is "nine million, seven hundred thirty thousand, six hundred sixty-six".