312072256 has 14 divisors (see below), whose sum is σ = 619268510. Its totient is φ = 156036096.

The previous prime is 312072253. The next prime is 312072287. The reversal of 312072256 is 652270213.

It can be written as a sum of positive squares in only one way, i.e., 296390656 + 15681600 = 17216^2 + 3960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312072253) by changing a digit.

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 as a sum of consecutive naturals, namely, 2438001 + ... + 2438128.

It is an arithmetic number, because the mean of its divisors is an integer number (44233465).

Almost surely, 2^312072256 is an apocalyptic number.

It is an amenable number.

312072256 is a deficient number, since it is larger than the sum of its proper divisors (307196254).

312072256 is an equidigital number, since it uses as much as digits as its factorization.

312072256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876141 (or 4876131 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 312072256 is about 17665.5669594836. The cubic root of 312072256 is about 678.2946425474.

The spelling of 312072256 in words is "three hundred twelve million, seventy-two thousand, two hundred fifty-six".