316728242 has 16 divisors (see below), whose sum is σ = 477802752. Its totient is φ = 157464000.

The previous prime is 316728199. The next prime is 316728259. The reversal of 316728242 is 242827613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421367 + ... + 422117.

It is an arithmetic number, because the mean of its divisors is an integer number (29862672).

Almost surely, 2^316728242 is an apocalyptic number.

316728242 is a deficient number, since it is larger than the sum of its proper divisors (161074510).

316728242 is a wasteful number, since it uses less digits than its factorization.

316728242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its digits is 32256, while the sum is 35.

The square root of 316728242 is about 17796.8604534620. The cubic root of 316728242 is about 681.6512938894.

The spelling of 316728242 in words is "three hundred sixteen million, seven hundred twenty-eight thousand, two hundred forty-two".