312732472 has 96 divisors (see below), whose sum is σ = 675928800. Its totient is φ = 135303168.

The previous prime is 312732467. The next prime is 312732479. The reversal of 312732472 is 274237213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312732479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2767488 + ... + 2767600.

It is an arithmetic number, because the mean of its divisors is an integer number (7040925).

Almost surely, 2^312732472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312732472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337964400).

312732472 is an abundant number, since it is smaller than the sum of its proper divisors (363196328).

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

312732472 is a wasteful number, since it uses less digits than its factorization.

312732472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 240 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 312732472 is about 17684.2436083650. The cubic root of 312732472 is about 678.7726360637.

Adding to 312732472 its reverse (274237213), we get a palindrome (586969685).

The spelling of 312732472 in words is "three hundred twelve million, seven hundred thirty-two thousand, four hundred seventy-two".