312504764 has 36 divisors (see below), whose sum is σ = 647372712. Its totient is φ = 131118240.

The previous prime is 312504763. The next prime is 312504767. The reversal of 312504764 is 467405213.

It is a self number, because there is not a number n which added to its sum of digits gives 312504764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312504763) 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 11 ways as a sum of consecutive naturals, for example, 18542 + ... + 31125.

Almost surely, 2^312504764 is an apocalyptic number.

It is an amenable number.

312504764 is an abundant number, since it is smaller than the sum of its proper divisors (334867948).

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

312504764 is a wasteful number, since it uses less digits than its factorization.

312504764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49706 (or 49693 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 312504764 is about 17677.8042754184. The cubic root of 312504764 is about 678.6078525273.

Adding to 312504764 its reverse (467405213), we get a palindrome (779909977).

The spelling of 312504764 in words is "three hundred twelve million, five hundred four thousand, seven hundred sixty-four".