42675861 has 16 divisors (see below), whose sum is σ = 57867264. Its totient is φ = 27971184.

The previous prime is 42675847. The next prime is 42675863. The reversal of 42675861 is 16857624.

42675861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42675861 - 2¹⁹ = 42151573 is a prime.

It is a super-2 number, since 2×42675861² = 3642458224182642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42675863) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91150 + ... + 91616.

It is an arithmetic number, because the mean of its divisors is an integer number (3616704).

Almost surely, 2^42675861 is an apocalyptic number.

It is an amenable number.

42675861 is a deficient number, since it is larger than the sum of its proper divisors (15191403).

42675861 is a wasteful number, since it uses less digits than its factorization.

42675861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 80640, while the sum is 39.

The square root of 42675861 is about 6532.6764040476. The cubic root of 42675861 is about 349.4572840605.

The spelling of 42675861 in words is "forty-two million, six hundred seventy-five thousand, eight hundred sixty-one".