4508072720 has 20 divisors (see below), whose sum is σ = 10481269260. Its totient is φ = 1803229056.

The previous prime is 4508072719. The next prime is 4508072741. The reversal of 4508072720 is 272708054.

It can be written as a sum of positive squares in 2 ways, for example, as 518381824 + 3989690896 = 22768^2 + 63164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28175375 + ... + 28175534.

It is an arithmetic number, because the mean of its divisors is an integer number (524063463).

Almost surely, 2^4508072720 is an apocalyptic number.

4508072720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4508072720 is an abundant number, since it is smaller than the sum of its proper divisors (5973196540).

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

4508072720 is a wasteful number, since it uses less digits than its factorization.

4508072720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56350922 (or 56350916 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 4508072720 is about 67142.1828659152. The cubic root of 4508072720 is about 1651.9502766899.

The spelling of 4508072720 in words is "four billion, five hundred eight million, seventy-two thousand, seven hundred twenty".