8720728482 has 64 divisors (see below), whose sum is σ = 18551669760. Its totient is φ = 2728857600.

The previous prime is 8720728481. The next prime is 8720728517. The reversal of 8720728482 is 2848270278.

It is a super-2 number, since 2×8720728482² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8720728481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822994 + ... + 833522.

It is an arithmetic number, because the mean of its divisors is an integer number (289869840).

Almost surely, 2^8720728482 is an apocalyptic number.

8720728482 is an abundant number, since it is smaller than the sum of its proper divisors (9830941278).

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

8720728482 is a wasteful number, since it uses less digits than its factorization.

8720728482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699.

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 8720728482 is about 93384.8407505201. The cubic root of 8720728482 is about 2058.3422489600.

The spelling of 8720728482 in words is "eight billion, seven hundred twenty million, seven hundred twenty-eight thousand, four hundred eighty-two".