42434472 has 32 divisors (see below), whose sum is σ = 106567200. Its totient is φ = 14080704.

The previous prime is 42434459. The next prime is 42434479. The reversal of 42434472 is 27443424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42434479) 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, 1554 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (3330225).

Almost surely, 2^42434472 is an apocalyptic number.

It is an amenable number.

42434472 is an abundant number, since it is smaller than the sum of its proper divisors (64132728).

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

42434472 is a wasteful number, since it uses less digits than its factorization.

42434472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025 (or 8021 counting only the distinct ones).

The product of its digits is 21504, while the sum is 30.

The square root of 42434472 is about 6514.1746983022. The cubic root of 42434472 is about 348.7971552738.

Adding to 42434472 its reverse (27443424), we get a palindrome (69877896).

The spelling of 42434472 in words is "forty-two million, four hundred thirty-four thousand, four hundred seventy-two".