578722320 has 400 divisors, whose sum is σ = 2294531712. Its totient is φ = 133816320.

The previous prime is 578722303. The next prime is 578722351. The reversal of 578722320 is 23227875.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1639264 + ... + 1639616.

Almost surely, 2^578722320 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 578722320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147265856).

578722320 is an abundant number, since it is smaller than the sum of its proper divisors (1715809392).

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

578722320 is a wasteful number, since it uses less digits than its factorization.

578722320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 578722320 is about 24056.6481455751. The cubic root of 578722320 is about 833.3422690597.

The spelling of 578722320 in words is "five hundred seventy-eight million, seven hundred twenty-two thousand, three hundred twenty".