42342717 has 8 divisors (see below), whose sum is σ = 56488320. Its totient is φ = 28212800.

The previous prime is 42342691. The next prime is 42342721. The reversal of 42342717 is 71724324.

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 42342717 - 2⁶ = 42342653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342757) 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, 5884 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (7061040).

Almost surely, 2^42342717 is an apocalyptic number.

It is an amenable number.

42342717 is a deficient number, since it is larger than the sum of its proper divisors (14145603).

42342717 is a wasteful number, since it uses less digits than its factorization.

42342717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7843.

The product of its digits is 9408, while the sum is 30.

The square root of 42342717 is about 6507.1281684012. The cubic root of 42342717 is about 348.5455753963.

The spelling of 42342717 in words is "forty-two million, three hundred forty-two thousand, seven hundred seventeen".