4073805 has 12 divisors (see below), whose sum is σ = 7061340. Its totient is φ = 2172672.

The previous prime is 4073791. The next prime is 4073807. The reversal of 4073805 is 5083704.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 1077444 = 1731^2 + 1038^2 .

It is not a de Polignac number, because 4073805 - 2⁷ = 4073677 is a prime.

It is a Curzon number.

4073805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4073807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45220 + ... + 45309.

It is an arithmetic number, because the mean of its divisors is an integer number (588445).

Almost surely, 2^4073805 is an apocalyptic number.

4073805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4073805 is a deficient number, since it is larger than the sum of its proper divisors (2987535).

4073805 is a wasteful number, since it uses less digits than its factorization.

4073805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90540 (or 90537 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 4073805 is about 2018.3669141165. The cubic root of 4073805 is about 159.7104790302.

The spelling of 4073805 in words is "four million, seventy-three thousand, eight hundred five".