42856726 has 16 divisors (see below), whose sum is σ = 71841168. Its totient is φ = 19004800.

The previous prime is 42856691. The next prime is 42856727. The reversal of 42856726 is 62765824.

42856726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42856727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22855 + ... + 24658.

It is an arithmetic number, because the mean of its divisors is an integer number (4490073).

Almost surely, 2^42856726 is an apocalyptic number.

42856726 is a deficient number, since it is larger than the sum of its proper divisors (28984442).

42856726 is a wasteful number, since it uses less digits than its factorization.

42856726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47567.

The product of its digits is 161280, while the sum is 40.

The square root of 42856726 is about 6546.5048690122. The cubic root of 42856726 is about 349.9502677637.

It can be divided in two parts, 4285 and 6726, that added together give a palindrome (11011).

The spelling of 42856726 in words is "forty-two million, eight hundred fifty-six thousand, seven hundred twenty-six".