42068356 has 24 divisors (see below), whose sum is σ = 84540960. Its totient is φ = 18115200.

The previous prime is 42068339. The next prime is 42068359. The reversal of 42068356 is 65386024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42068359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24325 + ... + 25996.

It is an arithmetic number, because the mean of its divisors is an integer number (3522540).

Almost surely, 2^42068356 is an apocalyptic number.

It is an amenable number.

42068356 is an abundant number, since it is smaller than the sum of its proper divisors (42472604).

42068356 is a wasteful number, since it uses less digits than its factorization.

42068356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50355 (or 50353 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 42068356 is about 6486.0123342467. The cubic root of 42068356 is about 347.7911394807.

It can be divided in two parts, 42068 and 356, that added together give a palindrome (42424).

The spelling of 42068356 in words is "forty-two million, sixty-eight thousand, three hundred fifty-six".