42635873 has 4 divisors (see below), whose sum is σ = 48726720. Its totient is φ = 36545028.

The previous prime is 42635861. The next prime is 42635891. The reversal of 42635873 is 37853624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42635873 - 2⁶ = 42635809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42635843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045413 + ... + 3045426.

It is an arithmetic number, because the mean of its divisors is an integer number (12181680).

Almost surely, 2^42635873 is an apocalyptic number.

It is an amenable number.

42635873 is a deficient number, since it is larger than the sum of its proper divisors (6090847).

42635873 is an equidigital number, since it uses as much as digits as its factorization.

42635873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090846.

The product of its digits is 120960, while the sum is 38.

The square root of 42635873 is about 6529.6150728814. The cubic root of 42635873 is about 349.3481008323.

The spelling of 42635873 in words is "forty-two million, six hundred thirty-five thousand, eight hundred seventy-three".