4728217 has 8 divisors (see below), whose sum is σ = 5128200. Its totient is φ = 4333440.

The previous prime is 4728211. The next prime is 4728221. The reversal of 4728217 is 7128274.

It can be written as a sum of positive squares in 4 ways, for example, as 301401 + 4426816 = 549^2 + 2104^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4728217 - 2¹⁹ = 4203929 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4728211) 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, 717 + ... + 3157.

It is an arithmetic number, because the mean of its divisors is an integer number (641025).

Almost surely, 2^4728217 is an apocalyptic number.

It is an amenable number.

4728217 is a deficient number, since it is larger than the sum of its proper divisors (399983).

4728217 is a wasteful number, since it uses less digits than its factorization.

4728217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its digits is 6272, while the sum is 31.

The square root of 4728217 is about 2174.4463663195. The cubic root of 4728217 is about 167.8414154486.

The spelling of 4728217 in words is "four million, seven hundred twenty-eight thousand, two hundred seventeen".