42570234 has 24 divisors (see below), whose sum is σ = 105412320. Its totient is φ = 12162888.

The previous prime is 42570233. The next prime is 42570287. The reversal of 42570234 is 43207524.

42570234 is a `hidden beast` number, since 425 + 7 + 0 + 234 = 666.

42570234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42570198 and 42570207.

It is not an unprimeable number, because it can be changed into a prime (42570233) 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 11 ways as a sum of consecutive naturals, for example, 168804 + ... + 169055.

It is an arithmetic number, because the mean of its divisors is an integer number (4392180).

Almost surely, 2^42570234 is an apocalyptic number.

42570234 is an abundant number, since it is smaller than the sum of its proper divisors (62842086).

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

42570234 is a wasteful number, since it uses less digits than its factorization.

42570234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337874 (or 337871 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42570234 is about 6524.5868834739. The cubic root of 42570234 is about 349.1687320208.

Adding to 42570234 its reverse (43207524), we get a palindrome (85777758).

The spelling of 42570234 in words is "forty-two million, five hundred seventy thousand, two hundred thirty-four".