4270665 has 32 divisors (see below), whose sum is σ = 7914240. Its totient is φ = 1926144.

The previous prime is 4270639. The next prime is 4270667. The reversal of 4270665 is 5660724.

It is not a de Polignac number, because 4270665 - 2⁵ = 4270633 is a prime.

4270665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4270667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9117 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

Almost surely, 2^4270665 is an apocalyptic number.

It is an amenable number.

4270665 is a deficient number, since it is larger than the sum of its proper divisors (3643575).

4270665 is a wasteful number, since it uses less digits than its factorization.

4270665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 4270665 is about 2066.5587337407. The cubic root of 4270665 is about 162.2427012955.

It can be divided in two parts, 42 and 70665, that added together give a palindrome (70707).

The spelling of 4270665 in words is "four million, two hundred seventy thousand, six hundred sixty-five".