3974278756 has 24 divisors (see below), whose sum is σ = 7958575296. Its totient is φ = 1701115680.

The previous prime is 3974278739. The next prime is 3974278783. The reversal of 3974278756 is 6578724793.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3974278756.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66730 + ... + 111361.

It is an arithmetic number, because the mean of its divisors is an integer number (331607304).

Almost surely, 2^3974278756 is an apocalyptic number.

It is an amenable number.

3974278756 is an abundant number, since it is smaller than the sum of its proper divisors (3984296540).

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

3974278756 is a wasteful number, since it uses less digits than its factorization.

3974278756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178899 (or 178897 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 58.

The square root of 3974278756 is about 63041.8809681310. The cubic root of 3974278756 is about 1583.9912386219.

The spelling of 3974278756 in words is "three billion, nine hundred seventy-four million, two hundred seventy-eight thousand, seven hundred fifty-six".