42672117 has 8 divisors (see below), whose sum is σ = 57027520. Its totient is φ = 28382400.

The previous prime is 42672101. The next prime is 42672173. The reversal of 42672117 is 71127624.

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

It is not a de Polignac number, because 42672117 - 2⁴ = 42672101 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 (42672187) 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, 14884 + ... + 17517.

It is an arithmetic number, because the mean of its divisors is an integer number (7128440).

Almost surely, 2^42672117 is an apocalyptic number.

It is an amenable number.

42672117 is a deficient number, since it is larger than the sum of its proper divisors (14355403).

42672117 is a wasteful number, since it uses less digits than its factorization.

42672117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32843.

The product of its digits is 4704, while the sum is 30.

The square root of 42672117 is about 6532.3898383363. The cubic root of 42672117 is about 349.4470643383.

The spelling of 42672117 in words is "forty-two million, six hundred seventy-two thousand, one hundred seventeen".