324531072 has 96 divisors (see below), whose sum is σ = 956788560. Its totient is φ = 105523200.

The previous prime is 324531047. The next prime is 324531133. The reversal of 324531072 is 270135423.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43797 + ... + 50667.

Almost surely, 2^324531072 is an apocalyptic number.

324531072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324531072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478394280).

324531072 is an abundant number, since it is smaller than the sum of its proper divisors (632257488).

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

324531072 is a wasteful number, since it uses less digits than its factorization.

324531072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 324531072 is about 18014.7459599074. The cubic root of 324531072 is about 687.2036034528.

Adding to 324531072 its reverse (270135423), we get a palindrome (594666495).

The spelling of 324531072 in words is "three hundred twenty-four million, five hundred thirty-one thousand, seventy-two".