3974705168 has 120 divisors (see below), whose sum is σ = 9331413912. Its totient is φ = 1633830912.

The previous prime is 3974705149. The next prime is 3974705219. The reversal of 3974705168 is 8615074793.

It can be written as a sum of positive squares in 4 ways, for example, as 1719595024 + 2255110144 = 41468^2 + 47488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2116646 + ... + 2118522.

Almost surely, 2^3974705168 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 3974705168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665706956).

3974705168 is an abundant number, since it is smaller than the sum of its proper divisors (5356708744).

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

3974705168 is a wasteful number, since it uses less digits than its factorization.

3974705168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 3974705168 is about 63045.2628513832. The cubic root of 3974705168 is about 1584.0478869480.

The spelling of 3974705168 in words is "three billion, nine hundred seventy-four million, seven hundred five thousand, one hundred sixty-eight".