42857968 has 10 divisors (see below), whose sum is σ = 83037344. Its totient is φ = 21428976.

The previous prime is 42857959. The next prime is 42857987. The reversal of 42857968 is 86975824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339296 + ... + 1339327.

Almost surely, 2^42857968 is an apocalyptic number.

It is an amenable number.

42857968 is a deficient number, since it is larger than the sum of its proper divisors (40179376).

42857968 is a wasteful number, since it uses less digits than its factorization.

42857968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678631 (or 2678625 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 42857968 is about 6546.5997281031. The cubic root of 42857968 is about 349.9536482835.

The spelling of 42857968 in words is "forty-two million, eight hundred fifty-seven thousand, nine hundred sixty-eight".