4272685 has 8 divisors (see below), whose sum is σ = 5139576. Its totient is φ = 3409920.

The previous prime is 4272683. The next prime is 4272703. The reversal of 4272685 is 5862724.

It can be written as a sum of positive squares in 4 ways, for example, as 1510441 + 2762244 = 1229^2 + 1662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4272685 - 2¹ = 4272683 is a prime.

It is a Duffinian number.

4272685 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4272685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (642447).

Almost surely, 2^4272685 is an apocalyptic number.

It is an amenable number.

4272685 is a deficient number, since it is larger than the sum of its proper divisors (866891).

4272685 is a wasteful number, since it uses less digits than its factorization.

4272685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 26880, while the sum is 34.

The square root of 4272685 is about 2067.0474111640. The cubic root of 4272685 is about 162.2682772186.

It can be divided in two parts, 42 and 72685, that added together give a palindrome (72727).

The spelling of 4272685 in words is "four million, two hundred seventy-two thousand, six hundred eighty-five".