42075424 has 24 divisors (see below), whose sum is σ = 87197040. Its totient is φ = 19930176.

The previous prime is 42075413. The next prime is 42075499. The reversal of 42075424 is 42457024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42075392 and 42075401.

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, 33994 + ... + 35209.

It is an arithmetic number, because the mean of its divisors is an integer number (3633210).

Almost surely, 2^42075424 is an apocalyptic number.

It is an amenable number.

42075424 is an abundant number, since it is smaller than the sum of its proper divisors (45121616).

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

42075424 is a wasteful number, since it uses less digits than its factorization.

42075424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69232 (or 69224 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42075424 is about 6486.5571761914. The cubic root of 42075424 is about 347.8106161162.

The spelling of 42075424 in words is "forty-two million, seventy-five thousand, four hundred twenty-four".