42075524 has 6 divisors (see below), whose sum is σ = 73632174. Its totient is φ = 21037760.

The previous prime is 42075511. The next prime is 42075559. The reversal of 42075524 is 42557024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 1345600 = 6382^2 + 1160^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259437 + ... + 5259444.

It is an arithmetic number, because the mean of its divisors is an integer number (12272029).

Almost surely, 2^42075524 is an apocalyptic number.

It is an amenable number.

42075524 is a deficient number, since it is larger than the sum of its proper divisors (31556650).

42075524 is a wasteful number, since it uses less digits than its factorization.

42075524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10518885 (or 10518883 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 42075524 is about 6486.5648844361. The cubic root of 42075524 is about 347.8108916614.

The spelling of 42075524 in words is "forty-two million, seventy-five thousand, five hundred twenty-four".