316742728 has 16 divisors (see below), whose sum is σ = 596880000. Its totient is φ = 157574736.

The previous prime is 316742689. The next prime is 316742731. The reversal of 316742728 is 827247613.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97888 + ... + 101071.

It is an arithmetic number, because the mean of its divisors is an integer number (37305000).

Almost surely, 2^316742728 is an apocalyptic number.

It is an amenable number.

316742728 is a deficient number, since it is larger than the sum of its proper divisors (280137272).

316742728 is a wasteful number, since it uses less digits than its factorization.

316742728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199164 (or 199160 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 316742728 is about 17797.2674307041. The cubic root of 316742728 is about 681.6616858162.

It can be divided in two parts, 316 and 742728, that added together give a square (743044 = 862²).

The spelling of 316742728 in words is "three hundred sixteen million, seven hundred forty-two thousand, seven hundred twenty-eight".