4073005 has 4 divisors (see below), whose sum is σ = 4887612. Its totient is φ = 3258400.

The previous prime is 4072987. The next prime is 4073009. The reversal of 4073005 is 5003704.

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 2951524 + 1121481 = 1718^2 + 1059^2 .

It is not a de Polignac number, because 4073005 - 2¹⁷ = 3941933 is a prime.

It is a Duffinian number.

4073005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4073009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407296 + ... + 407305.

It is an arithmetic number, because the mean of its divisors is an integer number (1221903).

Almost surely, 2^4073005 is an apocalyptic number.

It is an amenable number.

4073005 is a deficient number, since it is larger than the sum of its proper divisors (814607).

4073005 is an equidigital number, since it uses as much as digits as its factorization.

4073005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814606.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 4073005 is about 2018.1687243637. The cubic root of 4073005 is about 159.7000238785.

Adding to 4073005 its reverse (5003704), we get a palindrome (9076709).

The spelling of 4073005 in words is "four million, seventy-three thousand, five".