42427312 has 10 divisors (see below), whose sum is σ = 82202948. Its totient is φ = 21213648.

The previous prime is 42427243. The next prime is 42427321. The reversal of 42427312 is 21372424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325838 + ... + 1325869.

Almost surely, 2^42427312 is an apocalyptic number.

It is an amenable number.

42427312 is a deficient number, since it is larger than the sum of its proper divisors (39775636).

42427312 is a wasteful number, since it uses less digits than its factorization.

42427312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651715 (or 2651709 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 42427312 is about 6513.6251043486. The cubic root of 42427312 is about 348.7775365692. Note that the first 3 decimals are identical.

Adding to 42427312 its reverse (21372424), we get a palindrome (63799736).

The spelling of 42427312 in words is "forty-two million, four hundred twenty-seven thousand, three hundred twelve".