4075018 has 4 divisors (see below), whose sum is σ = 6112530. Its totient is φ = 2037508.

The previous prime is 4075003. The next prime is 4075021. The reversal of 4075018 is 8105704.

4075018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3323329 + 751689 = 1823^2 + 867^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4074983 and 4075001.

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 as a sum of consecutive naturals, namely, 1018753 + ... + 1018756.

Almost surely, 2^4075018 is an apocalyptic number.

4075018 is a deficient number, since it is larger than the sum of its proper divisors (2037512).

4075018 is a wasteful number, since it uses less digits than its factorization.

4075018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037511.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 4075018 is about 2018.6673822104. The cubic root of 4075018 is about 159.7263290432.

The spelling of 4075018 in words is "four million, seventy-five thousand, eighteen".