317742 has 8 divisors (see below), whose sum is σ = 635496. Its totient is φ = 105912.

The previous prime is 317741. The next prime is 317743. The reversal of 317742 is 247713.

317742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (317741) and next prime (317743).

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

317742 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317742.

It is not an unprimeable number, because it can be changed into a prime (317741) 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, 26473 + ... + 26484.

It is an arithmetic number, because the mean of its divisors is an integer number (79437).

2³¹⁷⁷⁴² is an apocalyptic number.

317742 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.

317742 is a wasteful number, since it uses less digits than its factorization.

317742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52962.

The product of its digits is 1176, while the sum is 24.

The square root of 317742 is about 563.6860828511. The cubic root of 317742 is about 68.2377777360.

The spelling of 317742 in words is "three hundred seventeen thousand, seven hundred forty-two", and thus it is an iban number.