42028472 has 16 divisors (see below), whose sum is σ = 79134000. Its totient is φ = 20926080.

The previous prime is 42028463. The next prime is 42028499. The reversal of 42028472 is 27482024.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8972 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (4945875).

Almost surely, 2^42028472 is an apocalyptic number.

It is an amenable number.

42028472 is a deficient number, since it is larger than the sum of its proper divisors (37105528).

42028472 is a wasteful number, since it uses less digits than its factorization.

42028472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22046 (or 22042 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 42028472 is about 6482.9369887421. The cubic root of 42028472 is about 347.6811939133.

The spelling of 42028472 in words is "forty-two million, twenty-eight thousand, four hundred seventy-two".