7028568520 has 128 divisors (see below), whose sum is σ = 16465680000. Its totient is φ = 2698831872.

The previous prime is 7028568511. The next prime is 7028568523. The reversal of 7028568520 is 258658207.

It is not an unprimeable number, because it can be changed into a prime (7028568523) 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, 22894207 + ... + 22894513.

It is an arithmetic number, because the mean of its divisors is an integer number (128638125).

Almost surely, 2^7028568520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7028568520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8232840000).

7028568520 is an abundant number, since it is smaller than the sum of its proper divisors (9437111480).

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

7028568520 is a wasteful number, since it uses less digits than its factorization.

7028568520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 7028568520 is about 83836.5583740172. The cubic root of 7028568520 is about 1915.5300130209.

The spelling of 7028568520 in words is "seven billion, twenty-eight million, five hundred sixty-eight thousand, five hundred twenty".