42104687 has 8 divisors (see below), whose sum is σ = 42532560. Its totient is φ = 41679360.

The previous prime is 42104683. The next prime is 42104707. The reversal of 42104687 is 78640124.

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 42104687 - 2² = 42104683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104681) 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, 51512 + ... + 52322.

It is an arithmetic number, because the mean of its divisors is an integer number (5316570).

Almost surely, 2^42104687 is an apocalyptic number.

42104687 is a deficient number, since it is larger than the sum of its proper divisors (427873).

42104687 is a wasteful number, since it uses less digits than its factorization.

42104687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 42104687 is about 6488.8124491312. The cubic root of 42104687 is about 347.8912302645.

The spelling of 42104687 in words is "forty-two million, one hundred four thousand, six hundred eighty-seven".