42517707 has 8 divisors (see below), whose sum is σ = 56984784. Its totient is φ = 28197888.

The previous prime is 42517693. The next prime is 42517723. The reversal of 42517707 is 70771524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42517707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42517747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36138 + ... + 37295.

It is an arithmetic number, because the mean of its divisors is an integer number (7123098).

Almost surely, 2^42517707 is an apocalyptic number.

42517707 is a deficient number, since it is larger than the sum of its proper divisors (14467077).

42517707 is a wasteful number, since it uses less digits than its factorization.

42517707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73629.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 42517707 is about 6520.5603286834. The cubic root of 42517707 is about 349.0250609393.

The spelling of 42517707 in words is "forty-two million, five hundred seventeen thousand, seven hundred seven".