324725730 has 64 divisors (see below), whose sum is σ = 929415168. Its totient is φ = 70994880.

The previous prime is 324725729. The next prime is 324725741. The reversal of 324725730 is 37527423.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 324725691 and 324725700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28786 + ... + 38445.

It is an arithmetic number, because the mean of its divisors is an integer number (14522112).

Almost surely, 2^324725730 is an apocalyptic number.

324725730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

324725730 is an abundant number, since it is smaller than the sum of its proper divisors (604689438).

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

324725730 is a wasteful number, since it uses less digits than its factorization.

324725730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67271.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 324725730 is about 18020.1478906251. The cubic root of 324725730 is about 687.3409739071.

The spelling of 324725730 in words is "three hundred twenty-four million, seven hundred twenty-five thousand, seven hundred thirty".