42596717 has 4 divisors (see below), whose sum is σ = 42675996. Its totient is φ = 42517440.

The previous prime is 42596707. The next prime is 42596753. The reversal of 42596717 is 71769524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9084196 + 33512521 = 3014^2 + 5789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42596717 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 (42596707) 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, 38828 + ... + 39909.

It is an arithmetic number, because the mean of its divisors is an integer number (10668999).

Almost surely, 2^42596717 is an apocalyptic number.

It is an amenable number.

42596717 is a deficient number, since it is larger than the sum of its proper divisors (79279).

42596717 is an equidigital number, since it uses as much as digits as its factorization.

42596717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79278.

The product of its digits is 105840, while the sum is 41.

The square root of 42596717 is about 6526.6160450880. The cubic root of 42596717 is about 349.2411231244.

The spelling of 42596717 in words is "forty-two million, five hundred ninety-six thousand, seven hundred seventeen".