42856070 has 16 divisors (see below), whose sum is σ = 79023168. Its totient is φ = 16724160.

The previous prime is 42856069. The next prime is 42856087. The reversal of 42856070 is 7065824.

It is a Curzon number.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51854 + ... + 52673.

It is an arithmetic number, because the mean of its divisors is an integer number (4938948).

Almost surely, 2^42856070 is an apocalyptic number.

42856070 is a deficient number, since it is larger than the sum of its proper divisors (36167098).

42856070 is a wasteful number, since it uses less digits than its factorization.

42856070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104575.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 42856070 is about 6546.4547657492. The cubic root of 42856070 is about 349.9484822132.

The spelling of 42856070 in words is "forty-two million, eight hundred fifty-six thousand, seventy".