42852728 has 16 divisors (see below), whose sum is σ = 80672760. Its totient is φ = 21340000.

The previous prime is 42852713. The next prime is 42852737. The reversal of 42852728 is 82725824.

It is a happy number.

42852728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42852691 and 42852700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8663 + ... + 12678.

Almost surely, 2^42852728 is an apocalyptic number.

It is an amenable number.

42852728 is a deficient number, since it is larger than the sum of its proper divisors (37820032).

42852728 is a wasteful number, since it uses less digits than its factorization.

42852728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598 (or 21594 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 42852728 is about 6546.1995081116. The cubic root of 42852728 is about 349.9393854215.

The spelling of 42852728 in words is "forty-two million, eight hundred fifty-two thousand, seven hundred twenty-eight".