42675844 has 12 divisors (see below), whose sum is σ = 75907468. Its totient is φ = 20988000.

The previous prime is 42675839. The next prime is 42675847. The reversal of 42675844 is 44857624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10048900 + 32626944 = 3170^2 + 5712^2 .

It is a super-2 number, since 2×42675844² = 3642455322224672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42675797 and 42675806.

It is not an unprimeable number, because it can be changed into a prime (42675847) 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, 87207 + ... + 87694.

Almost surely, 2^42675844 is an apocalyptic number.

It is an amenable number.

42675844 is a deficient number, since it is larger than the sum of its proper divisors (33231624).

42675844 is a wasteful number, since it uses less digits than its factorization.

42675844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174966 (or 174964 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 42675844 is about 6532.6751028962. The cubic root of 42675844 is about 349.4572376582.

The spelling of 42675844 in words is "forty-two million, six hundred seventy-five thousand, eight hundred forty-four".