316500073 has 8 divisors (see below), whose sum is σ = 318225600. Its totient is φ = 314779920.

The previous prime is 316500071. The next prime is 316500083. The reversal of 316500073 is 370005613.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 316500073 - 2¹ = 316500071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316500071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170436 + ... + 172282.

It is an arithmetic number, because the mean of its divisors is an integer number (39778200).

Almost surely, 2^316500073 is an apocalyptic number.

It is an amenable number.

316500073 is a deficient number, since it is larger than the sum of its proper divisors (1725527).

316500073 is a wasteful number, since it uses less digits than its factorization.

316500073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 316500073 is about 17790.4489263200. The cubic root of 316500073 is about 681.4875688234.

Adding to 316500073 its reverse (370005613), we get a palindrome (686505686).

The spelling of 316500073 in words is "three hundred sixteen million, five hundred thousand, seventy-three".