578825730 has 192 divisors, whose sum is σ = 1825130880. Its totient is φ = 130128768.

The previous prime is 578825729. The next prime is 578825759. The reversal of 578825730 is 37528875.

578825730 is a `hidden beast` number, since 5 + 78 + 8 + 2 + 573 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 886084 + ... + 886736.

It is an arithmetic number, because the mean of its divisors is an integer number (9505890).

Almost surely, 2^578825730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578825730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912565440).

578825730 is an abundant number, since it is smaller than the sum of its proper divisors (1246305150).

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

578825730 is a wasteful number, since it uses less digits than its factorization.

578825730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 578825730 is about 24058.7973514887. The cubic root of 578825730 is about 833.3919018391.

The spelling of 578825730 in words is "five hundred seventy-eight million, eight hundred twenty-five thousand, seven hundred thirty".