42680785 has 16 divisors (see below), whose sum is σ = 59496192. Its totient is φ = 28785600.

The previous prime is 42680773. The next prime is 42680789. The reversal of 42680785 is 58708624.

It is not a de Polignac number, because 42680785 - 2⁵ = 42680753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42680789) 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 15 ways as a sum of consecutive naturals, for example, 7861 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (3718512).

Almost surely, 2^42680785 is an apocalyptic number.

It is an amenable number.

42680785 is a deficient number, since it is larger than the sum of its proper divisors (16815407).

42680785 is a wasteful number, since it uses less digits than its factorization.

42680785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 42680785 is about 6533.0532678067. The cubic root of 42680785 is about 349.4707238322.

The spelling of 42680785 in words is "forty-two million, six hundred eighty thousand, seven hundred eighty-five".