42434474 has 8 divisors (see below), whose sum is σ = 65705088. Its totient is φ = 20532780.

The previous prime is 42434459. The next prime is 42434479. The reversal of 42434474 is 47443424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×42434474³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42434474.

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 3 ways as a sum of consecutive naturals, for example, 342152 + ... + 342275.

It is an arithmetic number, because the mean of its divisors is an integer number (8213136).

Almost surely, 2^42434474 is an apocalyptic number.

42434474 is a deficient number, since it is larger than the sum of its proper divisors (23270614).

42434474 is a wasteful number, since it uses less digits than its factorization.

42434474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684460.

The product of its digits is 43008, while the sum is 32.

The square root of 42434474 is about 6514.1748518135. The cubic root of 42434474 is about 348.7971607535.

Adding to 42434474 its reverse (47443424), we get a palindrome (89877898).

The spelling of 42434474 in words is "forty-two million, four hundred thirty-four thousand, four hundred seventy-four".