3975730 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1413120.

The previous prime is 3975721. The next prime is 3975749. The reversal of 3975730 is 375793.

3975730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4786 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3975730 is an apocalyptic number.

3975730 is an abundant number, since it is smaller than the sum of its proper divisors (4007630).

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

3975730 is a wasteful number, since it uses less digits than its factorization.

3975730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 19845, while the sum is 34.

The square root of 3975730 is about 1993.9232683331. The cubic root of 3975730 is about 158.4184018090.

The spelling of 3975730 in words is "three million, nine hundred seventy-five thousand, seven hundred thirty".