5280728 has 16 divisors (see below), whose sum is σ = 9941280. Its totient is φ = 2629728.

The previous prime is 5280713. The next prime is 5280733. The reversal of 5280728 is 8270825.

It is a junction number, because it is equal to n+sod(n) for n = 5280694 and 5280703.

It is a congruent number.

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, 1025 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (621330).

Almost surely, 2^5280728 is an apocalyptic number.

It is an amenable number.

5280728 is a deficient number, since it is larger than the sum of its proper divisors (4660552).

5280728 is a wasteful number, since it uses less digits than its factorization.

5280728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 5280728 is about 2297.9834638221. The cubic root of 5280728 is about 174.1397564807.

The spelling of 5280728 in words is "five million, two hundred eighty thousand, seven hundred twenty-eight".