5272201728 has 60 divisors (see below), whose sum is σ = 15215944458. Its totient is φ = 1757399040.

The previous prime is 5272201723. The next prime is 5272201729. The reversal of 5272201728 is 8271022725.

It can be written as a sum of positive squares in only one way, i.e., 4971942144 + 300259584 = 70512^2 + 17328^2 .

It is a super-4 number, since 4×5272201728⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5272201692 and 5272201701.

It is not an unprimeable number, because it can be changed into a prime (5272201723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567463 + ... + 576678.

Almost surely, 2^5272201728 is an apocalyptic number.

It is an amenable number.

5272201728 is an abundant number, since it is smaller than the sum of its proper divisors (9943742730).

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

5272201728 is a wasteful number, since it uses less digits than its factorization.

5272201728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144165 (or 1144146 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 5272201728 is about 72609.9285772958. The cubic root of 5272201728 is about 1740.4598388299.

The spelling of 5272201728 in words is "five billion, two hundred seventy-two million, two hundred one thousand, seven hundred twenty-eight".