4728213 has 40 divisors (see below), whose sum is σ = 8363520. Its totient is φ = 2604960.

The previous prime is 4728211. The next prime is 4728221. The reversal of 4728213 is 3128274.

It is not a de Polignac number, because 4728213 - 2¹ = 4728211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4³ + 7⁴ + 2 + 8⁷ + 2²¹ + 1 + 3¹² .

4728213 is a lucky number.

It is a congruent 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 39 ways as a sum of consecutive naturals, for example, 17443 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

Almost surely, 2^4728213 is an apocalyptic number.

It is an amenable number.

4728213 is a deficient number, since it is larger than the sum of its proper divisors (3635307).

4728213 is a wasteful number, since it uses less digits than its factorization.

4728213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4728213 is about 2174.4454465449. The cubic root of 4728213 is about 167.8413681181.

The spelling of 4728213 in words is "four million, seven hundred twenty-eight thousand, two hundred thirteen".