316421072 has 20 divisors (see below), whose sum is σ = 668799456. Its totient is φ = 143827680.

The previous prime is 316421069. The next prime is 316421089. The reversal of 316421072 is 270124613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898748 + ... + 899099.

Almost surely, 2^316421072 is an apocalyptic number.

It is an amenable number.

316421072 is an abundant number, since it is smaller than the sum of its proper divisors (352378384).

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

316421072 is a wasteful number, since it uses less digits than its factorization.

316421072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797866 (or 1797860 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 316421072 is about 17788.2284671633. The cubic root of 316421072 is about 681.4308624862.

Adding to 316421072 its reverse (270124613), we get a palindrome (586545685).

The spelling of 316421072 in words is "three hundred sixteen million, four hundred twenty-one thousand, seventy-two".