568351728 has 140 divisors (see below), whose sum is σ = 1887147568. Its totient is φ = 162362880.

The previous prime is 568351711. The next prime is 568351733. The reversal of 568351728 is 827153865.

568351728 is a `hidden beast` number, since 56 + 83 + 517 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 78168 + ... + 85128.

Almost surely, 2^568351728 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 568351728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943573784).

568351728 is an abundant number, since it is smaller than the sum of its proper divisors (1318795840).

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

568351728 is an equidigital number, since it uses as much as digits as its factorization.

568351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994 (or 6973 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 568351728 is about 23840.1285231435. The cubic root of 568351728 is about 828.3344584550.

The spelling of 568351728 in words is "five hundred sixty-eight million, three hundred fifty-one thousand, seven hundred twenty-eight".