42856612 has 12 divisors (see below), whose sum is σ = 75460336. Its totient is φ = 21296520.

The previous prime is 42856607. The next prime is 42856651. The reversal of 42856612 is 21665824.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 32214 + ... + 33517.

Almost surely, 2^42856612 is an apocalyptic number.

It is an amenable number.

42856612 is a deficient number, since it is larger than the sum of its proper divisors (32603724).

42856612 is a wasteful number, since it uses less digits than its factorization.

42856612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65898 (or 65896 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 42856612 is about 6546.4961620702. The cubic root of 42856612 is about 349.9499574712.

The spelling of 42856612 in words is "forty-two million, eight hundred fifty-six thousand, six hundred twelve".