3572749856 has 24 divisors (see below), whose sum is σ = 7574917644. Its totient is φ = 1648961280.

The previous prime is 3572749849. The next prime is 3572749877. The reversal of 3572749856 is 6589472753.

3572749856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3194058256 + 378691600 = 56516^2 + 19460^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293755 + ... + 4294586.

Almost surely, 2^3572749856 is an apocalyptic number.

It is an amenable number.

3572749856 is an abundant number, since it is smaller than the sum of its proper divisors (4002167788).

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

3572749856 is a wasteful number, since it uses less digits than its factorization.

3572749856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588364 (or 8588356 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The square root of 3572749856 is about 59772.4841043101. The cubic root of 3572749856 is about 1528.7420214832.

The spelling of 3572749856 in words is "three billion, five hundred seventy-two million, seven hundred forty-nine thousand, eight hundred fifty-six".