3975755 has 16 divisors (see below), whose sum is σ = 5641920. Its totient is φ = 2631552.

The previous prime is 3975749. The next prime is 3975779. The reversal of 3975755 is 5575793.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3975755 is a prime.

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, 944 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (352620).

Almost surely, 2^3975755 is an apocalyptic number.

3975755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3975755 is a deficient number, since it is larger than the sum of its proper divisors (1666165).

3975755 is a wasteful number, since it uses less digits than its factorization.

3975755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its digits is 165375, while the sum is 41.

The square root of 3975755 is about 1993.9295373709. The cubic root of 3975755 is about 158.4187338614.

The spelling of 3975755 in words is "three million, nine hundred seventy-five thousand, seven hundred fifty-five".