42028746 has 16 divisors (see below), whose sum is σ = 86769408. Its totient is φ = 13557600.

The previous prime is 42028733. The next prime is 42028747. The reversal of 42028746 is 64782024.

It is not an unprimeable number, because it can be changed into a prime (42028747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112795 + ... + 113166.

It is an arithmetic number, because the mean of its divisors is an integer number (5423088).

Almost surely, 2^42028746 is an apocalyptic number.

42028746 is an abundant number, since it is smaller than the sum of its proper divisors (44740662).

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

42028746 is a wasteful number, since it uses less digits than its factorization.

42028746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225997.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42028746 is about 6482.9581211049. The cubic root of 42028746 is about 347.6819494681.

The spelling of 42028746 in words is "forty-two million, twenty-eight thousand, seven hundred forty-six".