8730666 has 40 divisors (see below), whose sum is σ = 22360800. Its totient is φ = 2494152.

The previous prime is 8730661. The next prime is 8730691. The reversal of 8730666 is 6660378.

It is a happy number.

It is a d-powerful number, because it can be written as 8⁷ + 7³ + 3¹³ + 0 + 6⁸ + 6⁸ + 6⁸ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8730666.

It is not an unprimeable number, because it can be changed into a prime (8730661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2716 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (559020).

Almost surely, 2^8730666 is an apocalyptic number.

8730666 is an abundant number, since it is smaller than the sum of its proper divisors (13630134).

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

8730666 is a wasteful number, since it uses less digits than its factorization.

8730666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 7711 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 8730666 is about 2954.7700418137. The cubic root of 8730666 is about 205.9123798670.

The spelling of 8730666 in words is "eight million, seven hundred thirty thousand, six hundred sixty-six".