42857064 has 48 divisors (see below), whose sum is σ = 117218400. Its totient is φ = 14144544.

The previous prime is 42857053. The next prime is 42857077. The reversal of 42857064 is 46075824.

42857064 is a `hidden beast` number, since 4 + 28 + 570 + 64 = 666.

42857064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4527 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (2442050).

Almost surely, 2^42857064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42857064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58609200).

42857064 is an abundant number, since it is smaller than the sum of its proper divisors (74361336).

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

42857064 is a wasteful number, since it uses less digits than its factorization.

42857064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42857064 is about 6546.5306842632. The cubic root of 42857064 is about 349.9511877506.

The spelling of 42857064 in words is "forty-two million, eight hundred fifty-seven thousand, sixty-four".