42352717 has 4 divisors (see below), whose sum is σ = 46202976. Its totient is φ = 38502460.

The previous prime is 42352699. The next prime is 42352741. The reversal of 42352717 is 71725324.

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 a de Polignac number, because none of the positive numbers 2^k-42352717 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42352747) 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, 1925113 + ... + 1925134.

It is an arithmetic number, because the mean of its divisors is an integer number (11550744).

Almost surely, 2^42352717 is an apocalyptic number.

It is an amenable number.

42352717 is a deficient number, since it is larger than the sum of its proper divisors (3850259).

42352717 is a wasteful number, since it uses less digits than its factorization.

42352717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850258.

The product of its digits is 11760, while the sum is 31.

The square root of 42352717 is about 6507.8965111624. The cubic root of 42352717 is about 348.5730116880.

The spelling of 42352717 in words is "forty-two million, three hundred fifty-two thousand, seven hundred seventeen".