42810788 has 12 divisors (see below), whose sum is σ = 74965632. Its totient is φ = 21392040.

The previous prime is 42810787. The next prime is 42810791. The reversal of 42810788 is 88701824.

It is a happy number.

42810788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42810787) 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 3 ways as a sum of consecutive naturals, for example, 8681 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (6247136).

Almost surely, 2^42810788 is an apocalyptic number.

It is an amenable number.

42810788 is a deficient number, since it is larger than the sum of its proper divisors (32154844).

42810788 is a wasteful number, since it uses less digits than its factorization.

42810788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 42810788 is about 6542.9953385281. The cubic root of 42810788 is about 349.8251861700.

The spelling of 42810788 in words is "forty-two million, eight hundred ten thousand, seven hundred eighty-eight".