42705922 has 32 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 17562048.

The previous prime is 42705913. The next prime is 42705953. The reversal of 42705922 is 22950724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118779 + ... + 119137.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^42705922 is an apocalyptic number.

42705922 is a deficient number, since it is larger than the sum of its proper divisors (33498878).

42705922 is a wasteful number, since it uses less digits than its factorization.

42705922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42705922 is about 6534.9768170974. The cubic root of 42705922 is about 349.5393177094.

The spelling of 42705922 in words is "forty-two million, seven hundred five thousand, nine hundred twenty-two".