42068918 has 8 divisors (see below), whose sum is σ = 63203448. Its totient is φ = 21001104.

The previous prime is 42068893. The next prime is 42068927. The reversal of 42068918 is 81986024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 15071 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (7900431).

Almost surely, 2^42068918 is an apocalyptic number.

42068918 is a deficient number, since it is larger than the sum of its proper divisors (21134530).

42068918 is a wasteful number, since it uses less digits than its factorization.

42068918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33358.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 42068918 is about 6486.0556581022. The cubic root of 42068918 is about 347.7926882120.

The spelling of 42068918 in words is "forty-two million, sixty-eight thousand, nine hundred eighteen".