5042728 has 24 divisors (see below), whose sum is σ = 9671130. Its totient is φ = 2464800.

The previous prime is 5042717. The next prime is 5042729. The reversal of 5042728 is 8272405.

It can be written as a sum of positive squares in only one way, i.e., 3020644 + 2022084 = 1738^2 + 1422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5042696 and 5042705.

It is not an unprimeable number, because it can be changed into a prime (5042729) 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, 49878 + ... + 49978.

Almost surely, 2^5042728 is an apocalyptic number.

It is an amenable number.

5042728 is a deficient number, since it is larger than the sum of its proper divisors (4628402).

5042728 is a wasteful number, since it uses less digits than its factorization.

5042728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5042728 is about 2245.6019237612. The cubic root of 5042728 is about 171.4833060671.

It can be divided in two parts, 50 and 42728, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 5042728 in words is "five million, forty-two thousand, seven hundred twenty-eight".