8530560720 has 480 divisors, whose sum is σ = 33342865920. Its totient is φ = 1932733440.

The previous prime is 8530560683. The next prime is 8530560757. The reversal of 8530560720 is 270650358.

8530560720 is a `hidden beast` number, since 8 + 530 + 56 + 0 + 72 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (8530560683) and next prime (8530560757).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12489499 + ... + 12490181.

It is an arithmetic number, because the mean of its divisors is an integer number (69464304).

Almost surely, 2^8530560720 is an apocalyptic number.

8530560720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8530560720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16671432960).

8530560720 is an abundant number, since it is smaller than the sum of its proper divisors (24812305200).

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

8530560720 is a wasteful number, since it uses less digits than its factorization.

8530560720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 8530560720 is about 92361.0346412382. The cubic root of 8530560720 is about 2043.2704749344.

The spelling of 8530560720 in words is "eight billion, five hundred thirty million, five hundred sixty thousand, seven hundred twenty".