4820728 has 32 divisors (see below), whose sum is σ = 10206000. Its totient is φ = 2114560.

The previous prime is 4820719. The next prime is 4820747. The reversal of 4820728 is 8270284.

It is a self number, because there is not a number n which added to its sum of digits gives 4820728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 3496.

Almost surely, 2^4820728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4820728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5103000).

4820728 is an abundant number, since it is smaller than the sum of its proper divisors (5385272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4820728 is a wasteful number, since it uses less digits than its factorization.

4820728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 4820728 is about 2195.6156312069. The cubic root of 4820728 is about 168.9289992708.

The spelling of 4820728 in words is "four million, eight hundred twenty thousand, seven hundred twenty-eight".