4270005 has 12 divisors (see below), whose sum is σ = 7401420. Its totient is φ = 2277312.

The previous prime is 4269983. The next prime is 4270031. The reversal of 4270005 is 5000724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3359889 + 910116 = 1833^2 + 954^2 .

It is not a de Polignac number, because 4270005 - 2⁷ = 4269877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4270005.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47400 + ... + 47489.

It is an arithmetic number, because the mean of its divisors is an integer number (616785).

Almost surely, 2^4270005 is an apocalyptic number.

4270005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4270005 is a deficient number, since it is larger than the sum of its proper divisors (3131415).

4270005 is a wasteful number, since it uses less digits than its factorization.

4270005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94900 (or 94897 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 4270005 is about 2066.3990418116. The cubic root of 4270005 is about 162.2343430578.

Adding to 4270005 its reverse (5000724), we get a palindrome (9270729).

The spelling of 4270005 in words is "four million, two hundred seventy thousand, five".