315327720 has 64 divisors (see below), whose sum is σ = 969071040. Its totient is φ = 82035200.

The previous prime is 315327709. The next prime is 315327731. The reversal of 315327720 is 27723513.

It is an interprime number because it is at equal distance from previous prime (315327709) and next prime (315327731).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27126 + ... + 36965.

It is an arithmetic number, because the mean of its divisors is an integer number (15141735).

Almost surely, 2^315327720 is an apocalyptic number.

315327720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315327720 is an abundant number, since it is smaller than the sum of its proper divisors (653743320).

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

315327720 is a wasteful number, since it uses less digits than its factorization.

315327720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64146 (or 64142 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 315327720 is about 17757.4694143056. The cubic root of 315327720 is about 680.6450914071.

The spelling of 315327720 in words is "three hundred fifteen million, three hundred twenty-seven thousand, seven hundred twenty".