4007975 has 6 divisors (see below), whose sum is σ = 4969920. Its totient is φ = 3206360.

The previous prime is 4007963. The next prime is 4007981. The reversal of 4007975 is 5797004.

4007975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4007975 is a prime.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 80135 + ... + 80184.

It is an arithmetic number, because the mean of its divisors is an integer number (828320).

Almost surely, 2^4007975 is an apocalyptic number.

4007975 is a deficient number, since it is larger than the sum of its proper divisors (961945).

4007975 is a wasteful number, since it uses less digits than its factorization.

4007975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160329 (or 160324 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 4007975 is about 2001.9927572297. The cubic root of 4007975 is about 158.8455311917.

The spelling of 4007975 in words is "four million, seven thousand, nine hundred seventy-five".