4728568720 has 80 divisors (see below), whose sum is σ = 11256154560. Its totient is φ = 1846771200.

The previous prime is 4728568693. The next prime is 4728568723. The reversal of 4728568720 is 278658274.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4728568723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674835 + ... + 681805.

It is an arithmetic number, because the mean of its divisors is an integer number (140701932).

Almost surely, 2^4728568720 is an apocalyptic number.

4728568720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4728568720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5628077280).

4728568720 is an abundant number, since it is smaller than the sum of its proper divisors (6527585840).

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

4728568720 is a wasteful number, since it uses less digits than its factorization.

4728568720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 4728568720 is about 68764.5891429593. The cubic root of 4728568720 is about 1678.4557711029.

The spelling of 4728568720 in words is "four billion, seven hundred twenty-eight million, five hundred sixty-eight thousand, seven hundred twenty".