3974667140 has 24 divisors (see below), whose sum is σ = 8429446872. Its totient is φ = 1574124800.

The previous prime is 3974667113. The next prime is 3974667157. The reversal of 3974667140 is 417664793.

It is a happy number.

3974667140 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 4 ways, for example, as 242923396 + 3731743744 = 15586^2 + 61088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981809 + ... + 985848.

It is an arithmetic number, because the mean of its divisors is an integer number (351226953).

Almost surely, 2^3974667140 is an apocalyptic number.

It is an amenable number.

3974667140 is an abundant number, since it is smaller than the sum of its proper divisors (4454779732).

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

3974667140 is a wasteful number, since it uses less digits than its factorization.

3974667140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967767 (or 1967765 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 3974667140 is about 63044.9612578198. The cubic root of 3974667140 is about 1584.0428351381.

The spelling of 3974667140 in words is "three billion, nine hundred seventy-four million, six hundred sixty-seven thousand, one hundred forty".