42861873 has 8 divisors (see below), whose sum is σ = 58693888. Its totient is φ = 27802224.

The previous prime is 42861859. The next prime is 42861893. The reversal of 42861873 is 37816824.

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

It is not a de Polignac number, because 42861873 - 2⁸ = 42861617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42861893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192961 + ... + 193182.

It is an arithmetic number, because the mean of its divisors is an integer number (7336736).

Almost surely, 2^42861873 is an apocalyptic number.

It is an amenable number.

42861873 is a deficient number, since it is larger than the sum of its proper divisors (15832015).

42861873 is a wasteful number, since it uses less digits than its factorization.

42861873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386183.

The product of its digits is 64512, while the sum is 39.

The square root of 42861873 is about 6546.8979677401. The cubic root of 42861873 is about 349.9642766261.

It can be divided in two parts, 42861 and 873, that added together give a palindrome (43734).

The spelling of 42861873 in words is "forty-two million, eight hundred sixty-one thousand, eight hundred seventy-three".