42345412 has 12 divisors (see below), whose sum is σ = 74577580. Its totient is φ = 21037536.

The previous prime is 42345389. The next prime is 42345437. The reversal of 42345412 is 21454324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4227136 + 38118276 = 2056^2 + 6174^2 .

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, 33087 + ... + 34342.

Almost surely, 2^42345412 is an apocalyptic number.

It is an amenable number.

42345412 is a deficient number, since it is larger than the sum of its proper divisors (32232168).

42345412 is a wasteful number, since it uses less digits than its factorization.

42345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67590 (or 67588 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42345412 is about 6507.3352457054. The cubic root of 42345412 is about 348.5529699021.

Adding to 42345412 its reverse (21454324), we get a palindrome (63799736).

The spelling of 42345412 in words is "forty-two million, three hundred forty-five thousand, four hundred twelve".