324380072 has 16 divisors (see below), whose sum is σ = 609290100. Its totient is φ = 161902720.

The previous prime is 324380071. The next prime is 324380081. The reversal of 324380072 is 270083423.

It can be written as a sum of positive squares in 2 ways, for example, as 311663716 + 12716356 = 17654^2 + 3566^2 .

It is a super-2 number, since 2×324380072² = 210444862221450368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (324380071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31079 + ... + 40182.

Almost surely, 2^324380072 is an apocalyptic number.

It is an amenable number.

324380072 is a deficient number, since it is larger than the sum of its proper divisors (284910028).

324380072 is a wasteful number, since it uses less digits than its factorization.

324380072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71836 (or 71832 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 324380072 is about 18010.5544612041. The cubic root of 324380072 is about 687.0970046799.

The spelling of 324380072 in words is "three hundred twenty-four million, three hundred eighty thousand, seventy-two".