3920727625 has 16 divisors (see below), whose sum is σ = 4897715472. Its totient is φ = 3133603200.

The previous prime is 3920727619. The next prime is 3920727661. The reversal of 3920727625 is 5267270293.

3920727625 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 8 ways, for example, as 966152889 + 2954574736 = 31083^2 + 54356^2 .

It is not a de Polignac number, because 3920727625 - 2¹⁹ = 3920203337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122277 + ... + 150973.

It is an arithmetic number, because the mean of its divisors is an integer number (306107217).

Almost surely, 2^3920727625 is an apocalyptic number.

It is an amenable number.

3920727625 is a deficient number, since it is larger than the sum of its proper divisors (976987847).

3920727625 is a wasteful number, since it uses less digits than its factorization.

3920727625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29805 (or 29795 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 3920727625 is about 62615.7138823794. The cubic root of 3920727625 is about 1576.8445844562.

The spelling of 3920727625 in words is "three billion, nine hundred twenty million, seven hundred twenty-seven thousand, six hundred twenty-five".