42427024 has 20 divisors (see below), whose sum is σ = 83052844. Its totient is φ = 20994048.

The previous prime is 42427009. The next prime is 42427037. The reversal of 42427024 is 42072424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31002624 + 11424400 = 5568^2 + 3380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42427024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12117 + ... + 15220.

Almost surely, 2^42427024 is an apocalyptic number.

It is an amenable number.

42427024 is a deficient number, since it is larger than the sum of its proper divisors (40625820).

42427024 is a wasteful number, since it uses less digits than its factorization.

42427024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27442 (or 27436 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 42427024 is about 6513.6029968060. The cubic root of 42427024 is about 348.7767473908.

Adding to 42427024 its reverse (42072424), we get a palindrome (84499448).

The spelling of 42427024 in words is "forty-two million, four hundred twenty-seven thousand, twenty-four".