42425717 has 8 divisors (see below), whose sum is σ = 43653792. Its totient is φ = 41202000.

The previous prime is 42425711. The next prime is 42425741. The reversal of 42425717 is 71752424.

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 42425717 - 2⁶ = 42425653 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 (42425711) 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, 38342 + ... + 39432.

It is an arithmetic number, because the mean of its divisors is an integer number (5456724).

Almost surely, 2^42425717 is an apocalyptic number.

It is an amenable number.

42425717 is a deficient number, since it is larger than the sum of its proper divisors (1228075).

42425717 is a wasteful number, since it uses less digits than its factorization.

42425717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179.

The product of its digits is 15680, while the sum is 32.

The square root of 42425717 is about 6513.5026675361. The cubic root of 42425717 is about 348.7731659008.

The spelling of 42425717 in words is "forty-two million, four hundred twenty-five thousand, seven hundred seventeen".