42830712 has 96 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 13366080.

The previous prime is 42830707. The next prime is 42830713. The reversal of 42830712 is 21703824.

42830712 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 (42830713) 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 23 ways as a sum of consecutive naturals, for example, 179089 + ... + 179327.

It is an arithmetic number, because the mean of its divisors is an integer number (1287000).

Almost surely, 2^42830712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42830712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

42830712 is an abundant number, since it is smaller than the sum of its proper divisors (80721288).

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

42830712 is a wasteful number, since it uses less digits than its factorization.

42830712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42830712 is about 6544.5177056831. The cubic root of 42830712 is about 349.8794469172.

The spelling of 42830712 in words is "forty-two million, eight hundred thirty thousand, seven hundred twelve".