4070065 has 4 divisors (see below), whose sum is σ = 4884084. Its totient is φ = 3256048.

The previous prime is 4070051. The next prime is 4070069. The reversal of 4070065 is 5600704.

4070065 is nontrivially palindromic in base 12.

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 505521 + 3564544 = 711^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 4070065 - 2⁷ = 4069937 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4070069) 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, 407002 + ... + 407011.

It is an arithmetic number, because the mean of its divisors is an integer number (1221021).

Almost surely, 2^4070065 is an apocalyptic number.

It is an amenable number.

4070065 is a deficient number, since it is larger than the sum of its proper divisors (814019).

4070065 is an equidigital number, since it uses as much as digits as its factorization.

4070065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814018.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4070065 is about 2017.4402097708. The cubic root of 4070065 is about 159.6615894314.

Adding to 4070065 its reverse (5600704), we get a palindrome (9670769).

The spelling of 4070065 in words is "four million, seventy thousand, sixty-five".