316747242 has 48 divisors (see below), whose sum is σ = 791556480. Its totient is φ = 89665056.

The previous prime is 316747201. The next prime is 316747289. The reversal of 316747242 is 242747613.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 316747197 and 316747206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2203 + ... + 25265.

It is an arithmetic number, because the mean of its divisors is an integer number (16490760).

Almost surely, 2^316747242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316747242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395778240).

316747242 is an abundant number, since it is smaller than the sum of its proper divisors (474809238).

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

316747242 is a wasteful number, since it uses less digits than its factorization.

316747242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187 (or 23184 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 316747242 is about 17797.3942474734. The cubic root of 316747242 is about 681.6649239924.

The spelling of 316747242 in words is "three hundred sixteen million, seven hundred forty-seven thousand, two hundred forty-two".