3914975728 has 40 divisors (see below), whose sum is σ = 7963740288. Its totient is φ = 1860864192.

The previous prime is 3914975717. The next prime is 3914975737. The reversal of 3914975728 is 8275794193.

It is a happy number.

It is a congruent number.

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, 27351 + ... + 92617.

Almost surely, 2^3914975728 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 3914975728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981870144).

3914975728 is an abundant number, since it is smaller than the sum of its proper divisors (4048764560).

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

3914975728 is a wasteful number, since it uses less digits than its factorization.

3914975728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65461 (or 65455 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 3914975728 is about 62569.7668846544. The cubic root of 3914975728 is about 1576.0731046508.

The spelling of 3914975728 in words is "three billion, nine hundred fourteen million, nine hundred seventy-five thousand, seven hundred twenty-eight".