3975770 has 16 divisors (see below), whose sum is σ = 7331688. Its totient is φ = 1551360.

The previous prime is 3975749. The next prime is 3975779. The reversal of 3975770 is 775793.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1315609 + 2660161 = 1147^2 + 1631^2 .

It is not an unprimeable number, because it can be changed into a prime (3975779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4439 + ... + 5258.

Almost surely, 2^3975770 is an apocalyptic number.

3975770 is a deficient number, since it is larger than the sum of its proper divisors (3355918).

3975770 is a wasteful number, since it uses less digits than its factorization.

3975770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745.

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 3975770 is about 1993.9332987841. The cubic root of 3975770 is about 158.4189330921.

The spelling of 3975770 in words is "three million, nine hundred seventy-five thousand, seven hundred seventy".