4272665 has 4 divisors (see below), whose sum is σ = 5127204. Its totient is φ = 3418128.

The previous prime is 4272659. The next prime is 4272683. The reversal of 4272665 is 5662724.

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 839056 + 3433609 = 916^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272665 - 2⁶ = 4272601 is a prime.

It is a Duffinian number.

It is a Curzon 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, 427262 + ... + 427271.

It is an arithmetic number, because the mean of its divisors is an integer number (1281801).

Almost surely, 2^4272665 is an apocalyptic number.

It is an amenable number.

4272665 is a deficient number, since it is larger than the sum of its proper divisors (854539).

4272665 is an equidigital number, since it uses as much as digits as its factorization.

4272665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854538.

The product of its digits is 20160, while the sum is 32.

The square root of 4272665 is about 2067.0425733400. The cubic root of 4272665 is about 162.2680240312.

The spelling of 4272665 in words is "four million, two hundred seventy-two thousand, six hundred sixty-five".