42674845 has 8 divisors (see below), whose sum is σ = 54222264. Its totient is φ = 32131584.

The previous prime is 42674833. The next prime is 42674861. The reversal of 42674845 is 54847624.

It is a happy number.

42674845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17614809 + 25060036 = 4197^2 + 5006^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42674845 - 2⁷ = 42674717 is a prime.

It is a super-2 number, since 2×42674845² = 3642284791548050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42674798 and 42674807.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 250944 + ... + 251113.

It is an arithmetic number, because the mean of its divisors is an integer number (6777783).

Almost surely, 2^42674845 is an apocalyptic number.

It is an amenable number.

42674845 is a deficient number, since it is larger than the sum of its proper divisors (11547419).

42674845 is a wasteful number, since it uses less digits than its factorization.

42674845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502079.

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

The square root of 42674845 is about 6532.5986406636. The cubic root of 42674845 is about 349.4545108189.

The spelling of 42674845 in words is "forty-two million, six hundred seventy-four thousand, eight hundred forty-five".