42434372 has 24 divisors (see below), whose sum is σ = 78486240. Its totient is φ = 20018880.

The previous prime is 42434351. The next prime is 42434377. The reversal of 42434372 is 27343424.

It is not an unprimeable number, because it can be changed into a prime (42434377) 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, 20363 + ... + 22349.

It is an arithmetic number, because the mean of its divisors is an integer number (3270260).

Almost surely, 2^42434372 is an apocalyptic number.

It is an amenable number.

42434372 is a deficient number, since it is larger than the sum of its proper divisors (36051868).

42434372 is a wasteful number, since it uses less digits than its factorization.

42434372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 42434372 is about 6514.1670227282. The cubic root of 42434372 is about 348.7968812847.

Adding to 42434372 its reverse (27343424), we get a palindrome (69777796).

The spelling of 42434372 in words is "forty-two million, four hundred thirty-four thousand, three hundred seventy-two".