42434212 has 24 divisors (see below), whose sum is σ = 75411000. Its totient is φ = 20891136.

The previous prime is 42434209. The next prime is 42434213. The reversal of 42434212 is 21243424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 236196 + 42198016 = 486^2 + 6496^2 .

It is not an unprimeable number, because it can be changed into a prime (42434213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121414 + ... + 121762.

It is an arithmetic number, because the mean of its divisors is an integer number (3142125).

Almost surely, 2^42434212 is an apocalyptic number.

It is an amenable number.

42434212 is a deficient number, since it is larger than the sum of its proper divisors (32976788).

42434212 is a wasteful number, since it uses less digits than its factorization.

42434212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 42434212 is about 6514.1547417911. The cubic root of 42434212 is about 348.7964429013.

Adding to 42434212 its reverse (21243424), we get a palindrome (63677636).

The spelling of 42434212 in words is "forty-two million, four hundred thirty-four thousand, two hundred twelve".