316728043 has 16 divisors (see below), whose sum is σ = 340251040. Its totient is φ = 294749280.

The previous prime is 316728031. The next prime is 316728047. The reversal of 316728043 is 340827613.

It is a happy number.

It is not a de Polignac number, because 316728043 - 2⁵ = 316728011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316728047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418021 + ... + 418777.

It is an arithmetic number, because the mean of its divisors is an integer number (21265690).

Almost surely, 2^316728043 is an apocalyptic number.

316728043 is a deficient number, since it is larger than the sum of its proper divisors (23522997).

316728043 is an frugal number, since it uses more digits than its factorization.

316728043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 316728043 is about 17796.8548625874. The cubic root of 316728043 is about 681.6511511292.

The spelling of 316728043 in words is "three hundred sixteen million, seven hundred twenty-eight thousand, forty-three".