4075845 has 8 divisors (see below), whose sum is σ = 6521376. Its totient is φ = 2173776.

The previous prime is 4075831. The next prime is 4075871. The reversal of 4075845 is 5485704.

4075845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4075845 - 2⁷ = 4075717 is a prime.

It is a super-2 number, since 2×4075845² = 33225024928050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 135847 + ... + 135876.

It is an arithmetic number, because the mean of its divisors is an integer number (815172).

Almost surely, 2^4075845 is an apocalyptic number.

It is an amenable number.

4075845 is a deficient number, since it is larger than the sum of its proper divisors (2445531).

4075845 is a wasteful number, since it uses less digits than its factorization.

4075845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271731.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 4075845 is about 2018.8722099232. The cubic root of 4075845 is about 159.7371334731.

The spelling of 4075845 in words is "four million, seventy-five thousand, eight hundred forty-five".