4065975 has 36 divisors (see below), whose sum is σ = 7718256. Its totient is φ = 2039040.

The previous prime is 4065973. The next prime is 4065979. The reversal of 4065975 is 5795604.

It is not a de Polignac number, because 4065975 - 2¹ = 4065973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065973) 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 35 ways as a sum of consecutive naturals, for example, 3294 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (214396).

Almost surely, 2^4065975 is an apocalyptic number.

4065975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4065975 is a deficient number, since it is larger than the sum of its proper divisors (3652281).

4065975 is a wasteful number, since it uses less digits than its factorization.

4065975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 4065975 is about 2016.4262942146. The cubic root of 4065975 is about 159.6080903054.

The spelling of 4065975 in words is "four million, sixty-five thousand, nine hundred seventy-five".