42570894 has 16 divisors (see below), whose sum is σ = 85986000. Its totient is φ = 14049600.

The previous prime is 42570883. The next prime is 42570901. The reversal of 42570894 is 49807524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34519 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (5374125).

Almost surely, 2^42570894 is an apocalyptic number.

42570894 is an abundant number, since it is smaller than the sum of its proper divisors (43415106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42570894 is a wasteful number, since it uses less digits than its factorization.

42570894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70355.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 42570894 is about 6524.6374611928. The cubic root of 42570894 is about 349.1705364911.

The spelling of 42570894 in words is "forty-two million, five hundred seventy thousand, eight hundred ninety-four".