4075705 has 4 divisors (see below), whose sum is σ = 4890852. Its totient is φ = 3260560.

The previous prime is 4075693. The next prime is 4075717. The reversal of 4075705 is 5075704.

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

It is an interprime number because it is at equal distance from previous prime (4075693) and next prime (4075717).

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 2812329 = 1124^2 + 1677^2 .

It is not a de Polignac number, because 4075705 - 2⁹ = 4075193 is a prime.

It is a super-2 number, since 2×4075705² = 33222742494050, which contains 22 as substring.

It is a Duffinian number.

4075705 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407566 + ... + 407575.

It is an arithmetic number, because the mean of its divisors is an integer number (1222713).

Almost surely, 2^4075705 is an apocalyptic number.

It is an amenable number.

4075705 is a deficient number, since it is larger than the sum of its proper divisors (815147).

4075705 is an equidigital number, since it uses as much as digits as its factorization.

4075705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815146.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 4075705 is about 2018.8375368018. The cubic root of 4075705 is about 159.7353045309.

Subtracting 4075705 from its reverse (5075704), we obtain a palindrome (999999).

The spelling of 4075705 in words is "four million, seventy-five thousand, seven hundred five".