312739568 has 20 divisors (see below), whose sum is σ = 606393480. Its totient is φ = 156250944.

The previous prime is 312739549. The next prime is 312739571. The reversal of 312739568 is 865937213.

312739568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×312739568³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 16646 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (30319674).

Almost surely, 2^312739568 is an apocalyptic number.

It is an amenable number.

312739568 is a deficient number, since it is larger than the sum of its proper divisors (293653912).

312739568 is a wasteful number, since it uses less digits than its factorization.

312739568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864 (or 14858 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 312739568 is about 17684.4442378040. Note that the first 3 decimals coincide. The cubic root of 312739568 is about 678.7777698811. Note that the first 4 decimals are identical.

The spelling of 312739568 in words is "three hundred twelve million, seven hundred thirty-nine thousand, five hundred sixty-eight".