3704561568 has 120 divisors (see below), whose sum is σ = 10918300932. Its totient is φ = 1232216064.

The previous prime is 3704561563. The next prime is 3704561569. The reversal of 3704561568 is 8651654073.

3704561568 is a `hidden beast` number, since 37 + 0 + 4 + 56 + 1 + 568 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3264065424 + 440496144 = 57132^2 + 20988^2 .

It is a super-2 number, since 2×3704561568² = 27447552822205237248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3704561563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1494346 + ... + 1496822.

Almost surely, 2^3704561568 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 3704561568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5459150466).

3704561568 is an abundant number, since it is smaller than the sum of its proper divisors (7213739364).

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

3704561568 is a wasteful number, since it uses less digits than its factorization.

3704561568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 3704561568 is about 60865.1096113364. The cubic root of 3704561568 is about 1547.3157242494.

The spelling of 3704561568 in words is "three billion, seven hundred four million, five hundred sixty-one thousand, five hundred sixty-eight".