42705708 has 24 divisors (see below), whose sum is σ = 101965248. Its totient is φ = 13904016.

The previous prime is 42705703. The next prime is 42705709. The reversal of 42705708 is 80750724.

It is not an unprimeable number, because it can be changed into a prime (42705701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40866 + ... + 41897.

It is an arithmetic number, because the mean of its divisors is an integer number (4248552).

Almost surely, 2^42705708 is an apocalyptic number.

It is an amenable number.

42705708 is an abundant number, since it is smaller than the sum of its proper divisors (59259540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42705708 is a wasteful number, since it uses less digits than its factorization.

42705708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82813 (or 82811 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 42705708 is about 6534.9604436446. The cubic root of 42705708 is about 349.5387338595.

The spelling of 42705708 in words is "forty-two million, seven hundred five thousand, seven hundred eight".