42317742 has 8 divisors (see below), whose sum is σ = 84635496. Its totient is φ = 14105912.

The previous prime is 42317707. The next prime is 42317747. The reversal of 42317742 is 24771324.

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

42317742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42317747) 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, 3526473 + ... + 3526484.

It is an arithmetic number, because the mean of its divisors is an integer number (10579437).

Almost surely, 2^42317742 is an apocalyptic number.

42317742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42317742 is a wasteful number, since it uses less digits than its factorization.

42317742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052962.

The product of its digits is 9408, while the sum is 30.

The square root of 42317742 is about 6505.2088360021. The cubic root of 42317742 is about 348.4770343862.

The spelling of 42317742 in words is "forty-two million, three hundred seventeen thousand, seven hundred forty-two".