42544474 has 8 divisors (see below), whose sum is σ = 72933408. Its totient is φ = 18233340.

The previous prime is 42544471. The next prime is 42544483. The reversal of 42544474 is 47444524.

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

It is not an unprimeable number, because it can be changed into a prime (42544471) 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, 1519432 + ... + 1519459.

It is an arithmetic number, because the mean of its divisors is an integer number (9116676).

Almost surely, 2^42544474 is an apocalyptic number.

42544474 is a deficient number, since it is larger than the sum of its proper divisors (30388934).

42544474 is a wasteful number, since it uses less digits than its factorization.

42544474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038900.

The product of its digits is 71680, while the sum is 34.

The square root of 42544474 is about 6522.6125134029. The cubic root of 42544474 is about 349.0982884223.

Adding to 42544474 its reverse (47444524), we get a palindrome (89988998).

The spelling of 42544474 in words is "forty-two million, five hundred forty-four thousand, four hundred seventy-four".