42685726 has 16 divisors (see below), whose sum is σ = 65308320. Its totient is φ = 20918880.

The previous prime is 42685717. The next prime is 42685777. The reversal of 42685726 is 62758624.

42685726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42685726³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53160 + ... + 53956.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^42685726 is an apocalyptic number.

42685726 is a deficient number, since it is larger than the sum of its proper divisors (22622594).

42685726 is a wasteful number, since it uses less digits than its factorization.

42685726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

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

The square root of 42685726 is about 6533.4314108285. The cubic root of 42685726 is about 349.4842089655.

The spelling of 42685726 in words is "forty-two million, six hundred eighty-five thousand, seven hundred twenty-six".