724322304 has 96 divisors (see below), whose sum is σ = 2145780000. Its totient is φ = 241422336.

The previous prime is 724322303. The next prime is 724322309. The reversal of 724322304 is 403223427.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (724322303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48747 + ... + 61845.

It is an arithmetic number, because the mean of its divisors is an integer number (22351875).

Almost surely, 2^724322304 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 724322304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072890000).

724322304 is an abundant number, since it is smaller than the sum of its proper divisors (1421457696).

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

724322304 is a wasteful number, since it uses less digits than its factorization.

724322304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130 (or 13104 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 724322304 is about 26913.2365946573. The cubic root of 724322304 is about 898.0708902160.

The spelling of 724322304 in words is "seven hundred twenty-four million, three hundred twenty-two thousand, three hundred four".