316742 has 4 divisors (see below), whose sum is σ = 475116. Its totient is φ = 158370.

The previous prime is 316717. The next prime is 316753. The reversal of 316742 is 247613.

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

It is a congruent number.

It is an unprimeable number.

316742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79184 + ... + 79187.

It is an arithmetic number, because the mean of its divisors is an integer number (118779).

2³¹⁶⁷⁴² is an apocalyptic number.

316742 is a deficient number, since it is larger than the sum of its proper divisors (158374).

316742 is a wasteful number, since it uses less digits than its factorization.

316742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158373.

The product of its digits is 1008, while the sum is 23.

The square root of 316742 is about 562.7983653139. The cubic root of 316742 is about 68.1661163573.

The spelling of 316742 in words is "three hundred sixteen thousand, seven hundred forty-two".