42445672 has 16 divisors (see below), whose sum is σ = 83046240. Its totient is φ = 20300016.

The previous prime is 42445661. The next prime is 42445709. The reversal of 42445672 is 27654424.

42445672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 115158 + ... + 115525.

It is an arithmetic number, because the mean of its divisors is an integer number (5190390).

Almost surely, 2^42445672 is an apocalyptic number.

It is an amenable number.

42445672 is a deficient number, since it is larger than the sum of its proper divisors (40600568).

42445672 is a wasteful number, since it uses less digits than its factorization.

42445672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230712 (or 230708 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 42445672 is about 6515.0343053586. The cubic root of 42445672 is about 348.8278393247.

The spelling of 42445672 in words is "forty-two million, four hundred forty-five thousand, six hundred seventy-two".