42658612 has 12 divisors (see below), whose sum is σ = 74858560. Its totient is φ = 21270456.

The previous prime is 42658607. The next prime is 42658621. The reversal of 42658612 is 21685624.

42658612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13062 + ... + 15997.

Almost surely, 2^42658612 is an apocalyptic number.

It is an amenable number.

42658612 is a deficient number, since it is larger than the sum of its proper divisors (32199948).

42658612 is a wasteful number, since it uses less digits than its factorization.

42658612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29430 (or 29428 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 42658612 is about 6531.3560613398. The cubic root of 42658612 is about 349.4101957624.

The spelling of 42658612 in words is "forty-two million, six hundred fifty-eight thousand, six hundred twelve".