316720000 has 160 divisors (see below), whose sum is σ = 817332120. Its totient is φ = 122112000.

The previous prime is 316719973. The next prime is 316720003. The reversal of 316720000 is 27613.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 316720000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316720003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2959947 + ... + 2960053.

Almost surely, 2^316720000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408666060).

316720000 is an abundant number, since it is smaller than the sum of its proper divisors (500612120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316720000 is an equidigital number, since it uses as much as digits as its factorization.

316720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 316720000 is about 17796.6288942597. The cubic root of 316720000 is about 681.6453811247.

Adding to 316720000 its reverse (27613), we get a palindrome (316747613).

The spelling of 316720000 in words is "three hundred sixteen million, seven hundred twenty thousand".