42704112 has 80 divisors (see below), whose sum is σ = 124277760. Its totient is φ = 12518400.

The previous prime is 42704111. The next prime is 42704171. The reversal of 42704112 is 21140724.

It is a happy number.

42704112 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 (42704111) 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 15 ways as a sum of consecutive naturals, for example, 15064 + ... + 17672.

It is an arithmetic number, because the mean of its divisors is an integer number (1553472).

Almost surely, 2^42704112 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 42704112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62138880).

42704112 is an abundant number, since it is smaller than the sum of its proper divisors (81573648).

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

42704112 is a wasteful number, since it uses less digits than its factorization.

42704112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42704112 is about 6534.8383300584. The cubic root of 42704112 is about 349.5343794785.

Adding to 42704112 its reverse (21140724), we get a palindrome (63844836).

The spelling of 42704112 in words is "forty-two million, seven hundred four thousand, one hundred twelve".