42515068 has 12 divisors (see below), whose sum is σ = 74671912. Its totient is φ = 21180240.

The previous prime is 42515029. The next prime is 42515093. The reversal of 42515068 is 86051524.

42515068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18078 + ... + 20293.

Almost surely, 2^42515068 is an apocalyptic number.

It is an amenable number.

42515068 is a deficient number, since it is larger than the sum of its proper divisors (32156844).

42515068 is a wasteful number, since it uses less digits than its factorization.

42515068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38652 (or 38650 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 42515068 is about 6520.3579656335. The cubic root of 42515068 is about 349.0178396641.

The spelling of 42515068 in words is "forty-two million, five hundred fifteen thousand, sixty-eight".