42685756 has 24 divisors (see below), whose sum is σ = 78314544. Its totient is φ = 20334720.

The previous prime is 42685717. The next prime is 42685777. The reversal of 42685756 is 65758624.

42685756 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 3×42685756³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 4026 + ... + 10078.

It is an arithmetic number, because the mean of its divisors is an integer number (3263106).

Almost surely, 2^42685756 is an apocalyptic number.

It is an amenable number.

42685756 is a deficient number, since it is larger than the sum of its proper divisors (35628788).

42685756 is a wasteful number, since it uses less digits than its factorization.

42685756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141 (or 6139 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 42685756 is about 6533.4337067120. The cubic root of 42685756 is about 349.4842908392.

The spelling of 42685756 in words is "forty-two million, six hundred eighty-five thousand, seven hundred fifty-six".