8729034920 has 32 divisors (see below), whose sum is σ = 19670191200. Its totient is φ = 3486305088.

The previous prime is 8729034893. The next prime is 8729034943. The reversal of 8729034920 is 294309278.

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, 139214 + ... + 191933.

It is an arithmetic number, because the mean of its divisors is an integer number (614693475).

Almost surely, 2^8729034920 is an apocalyptic number.

It is an amenable number.

8729034920 is an abundant number, since it is smaller than the sum of its proper divisors (10941156280).

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

8729034920 is a wasteful number, since it uses less digits than its factorization.

8729034920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331817 (or 331813 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 8729034920 is about 93429.3043964259. The cubic root of 8729034920 is about 2058.9955608464.

The spelling of 8729034920 in words is "eight billion, seven hundred twenty-nine million, thirty-four thousand, nine hundred twenty".