42716917 has 4 divisors (see below), whose sum is σ = 42874816. Its totient is φ = 42559020.

The previous prime is 42716879. The next prime is 42716923. The reversal of 42716917 is 71961724.

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 42716917 - 2⁷ = 42716789 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 (42716117) 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, 78543 + ... + 79084.

It is an arithmetic number, because the mean of its divisors is an integer number (10718704).

Almost surely, 2^42716917 is an apocalyptic number.

It is an amenable number.

42716917 is a deficient number, since it is larger than the sum of its proper divisors (157899).

42716917 is a wasteful number, since it uses less digits than its factorization.

42716917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157898.

The product of its digits is 21168, while the sum is 37.

The square root of 42716917 is about 6535.8180054221. The cubic root of 42716917 is about 349.5693124177.

The spelling of 42716917 in words is "forty-two million, seven hundred sixteen thousand, nine hundred seventeen".