42705958 has 8 divisors (see below), whose sum is σ = 67430520. Its totient is φ = 20229120.

The previous prime is 42705953. The next prime is 42705959. The reversal of 42705958 is 85950724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42705958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42705953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561883 + ... + 561958.

It is an arithmetic number, because the mean of its divisors is an integer number (8428815).

Almost surely, 2^42705958 is an apocalyptic number.

42705958 is a deficient number, since it is larger than the sum of its proper divisors (24724562).

42705958 is a wasteful number, since it uses less digits than its factorization.

42705958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123862.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 42705958 is about 6534.9795715059. The cubic root of 42705958 is about 349.5394159269.

The spelling of 42705958 in words is "forty-two million, seven hundred five thousand, nine hundred fifty-eight".