42069936 has 40 divisors (see below), whose sum is σ = 111336624. Its totient is φ = 13680640.

The previous prime is 42069913. The next prime is 42069943. The reversal of 42069936 is 63996024.

It is a happy number.

42069936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42069894 and 42069903.

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 7 ways as a sum of consecutive naturals, for example, 8721 + ... + 12656.

Almost surely, 2^42069936 is an apocalyptic number.

It is an amenable number.

42069936 is an abundant number, since it is smaller than the sum of its proper divisors (69266688).

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

42069936 is a wasteful number, since it uses less digits than its factorization.

42069936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21429 (or 21423 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 42069936 is about 6486.1341336732. The cubic root of 42069936 is about 347.7954935302.

The spelling of 42069936 in words is "forty-two million, sixty-nine thousand, nine hundred thirty-six".