3720518568 has 224 divisors, whose sum is σ = 11634416640. Its totient is φ = 1107146880.

The previous prime is 3720518563. The next prime is 3720518579. The reversal of 3720518568 is 8658150273.

3720518568 is a `hidden beast` number, since 3 + 72 + 0 + 5 + 18 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (3720518563) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 2349505 + ... + 2351087.

It is an arithmetic number, because the mean of its divisors is an integer number (51939360).

Almost surely, 2^3720518568 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 3720518568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5817208320).

3720518568 is an abundant number, since it is smaller than the sum of its proper divisors (7913898072).

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

3720518568 is a wasteful number, since it uses less digits than its factorization.

3720518568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1632 counting only the distinct ones).

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

The square root of 3720518568 is about 60996.0537084163. The cubic root of 3720518568 is about 1549.5341739965.

The spelling of 3720518568 in words is "three billion, seven hundred twenty million, five hundred eighteen thousand, five hundred sixty-eight".