5120728 has 32 divisors (see below), whose sum is σ = 10296000. Its totient is φ = 2380320.

The previous prime is 5120719. The next prime is 5120729. The reversal of 5120728 is 8270215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (321750).

Almost surely, 2^5120728 is an apocalyptic number.

It is an amenable number.

5120728 is an abundant number, since it is smaller than the sum of its proper divisors (5175272).

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

5120728 is a wasteful number, since it uses less digits than its factorization.

5120728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5120728 is about 2262.9025608718. The cubic root of 5120728 is about 172.3629437136.

It can be divided in two parts, 512072 and 8, that multiplied together give a square (4096576 = 2024²).

The spelling of 5120728 in words is "five million, one hundred twenty thousand, seven hundred twenty-eight".