42093687 has 8 divisors (see below), whose sum is σ = 56158704. Its totient is φ = 28045568.

The previous prime is 42093673. The next prime is 42093719. The reversal of 42093687 is 78639024.

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 42093687 - 2⁴ = 42093671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42093637) 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, 3733 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (7019838).

Almost surely, 2^42093687 is an apocalyptic number.

42093687 is a deficient number, since it is larger than the sum of its proper divisors (14065017).

42093687 is a wasteful number, since it uses less digits than its factorization.

42093687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 42093687 is about 6487.9647810388. The cubic root of 42093687 is about 347.8609316833.

The spelling of 42093687 in words is "forty-two million, ninety-three thousand, six hundred eighty-seven".