315736746 has 64 divisors (see below), whose sum is σ = 711244800. Its totient is φ = 92768256.

The previous prime is 315736739. The next prime is 315736747. The reversal of 315736746 is 647637513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315736698 and 315736707.

It is not an unprimeable number, because it can be changed into a prime (315736747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218695 + ... + 220133.

It is an arithmetic number, because the mean of its divisors is an integer number (11113200).

Almost surely, 2^315736746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315736746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355622400).

315736746 is an abundant number, since it is smaller than the sum of its proper divisors (395508054).

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

315736746 is a wasteful number, since it uses less digits than its factorization.

315736746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its digits is 317520, while the sum is 42.

The square root of 315736746 is about 17768.9826945720. The cubic root of 315736746 is about 680.9392628700.

It can be divided in two parts, 3157 and 36746, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 315736746 in words is "three hundred fifteen million, seven hundred thirty-six thousand, seven hundred forty-six".