3975767 has 4 divisors (see below), whose sum is σ = 4002600. Its totient is φ = 3948936.

The previous prime is 3975749. The next prime is 3975779. The reversal of 3975767 is 7675793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3975767 - 2⁶ = 3975703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (1000650).

Almost surely, 2^3975767 is an apocalyptic number.

3975767 is a deficient number, since it is larger than the sum of its proper divisors (26833).

3975767 is a wasteful number, since it uses less digits than its factorization.

3975767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26832.

The product of its digits is 277830, while the sum is 44.

The square root of 3975767 is about 1993.9325465020. The cubic root of 3975767 is about 158.4188932460.

The spelling of 3975767 in words is "three million, nine hundred seventy-five thousand, seven hundred sixty-seven".