42816756 has 12 divisors (see below), whose sum is σ = 99905792. Its totient is φ = 14272248.

The previous prime is 42816703. The next prime is 42816769. The reversal of 42816756 is 65761824.

42816756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1784020 + ... + 1784043.

Almost surely, 2^42816756 is an apocalyptic number.

It is an amenable number.

42816756 is an abundant number, since it is smaller than the sum of its proper divisors (57089036).

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

42816756 is a wasteful number, since it uses less digits than its factorization.

42816756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568070 (or 3568068 counting only the distinct ones).

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

The square root of 42816756 is about 6543.4513828713. The cubic root of 42816756 is about 349.8414411048.

The spelling of 42816756 in words is "forty-two million, eight hundred sixteen thousand, seven hundred fifty-six".