315723272 has 16 divisors (see below), whose sum is σ = 593083500. Its totient is φ = 157567680.

The previous prime is 315723259. The next prime is 315723293. The reversal of 315723272 is 272327513.

It can be written as a sum of positive squares in 2 ways, for example, as 285407236 + 30316036 = 16894^2 + 5506^2 .

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, 32147 + ... + 40802.

Almost surely, 2^315723272 is an apocalyptic number.

It is an amenable number.

315723272 is a deficient number, since it is larger than the sum of its proper divisors (277360228).

315723272 is a wasteful number, since it uses less digits than its factorization.

315723272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73496 (or 73492 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 315723272 is about 17768.6035467056. The cubic root of 315723272 is about 680.9295764184.

The spelling of 315723272 in words is "three hundred fifteen million, seven hundred twenty-three thousand, two hundred seventy-two".