4075745 has 4 divisors (see below), whose sum is σ = 4890900. Its totient is φ = 3260592.

The previous prime is 4075741. The next prime is 4075759. The reversal of 4075745 is 5475704.

4075745 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 2 ways, for example, as 1882384 + 2193361 = 1372^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 4075745 - 2² = 4075741 is a prime.

It is a super-2 number, since 2×4075745² = 33223394610050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4075741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 407570 + ... + 407579.

It is an arithmetic number, because the mean of its divisors is an integer number (1222725).

Almost surely, 2^4075745 is an apocalyptic number.

It is an amenable number.

4075745 is a deficient number, since it is larger than the sum of its proper divisors (815155).

4075745 is an equidigital number, since it uses as much as digits as its factorization.

4075745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815154.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4075745 is about 2018.8474434687. The cubic root of 4075745 is about 159.7358270901.

The spelling of 4075745 in words is "four million, seventy-five thousand, seven hundred forty-five".