578725632 has 216 divisors, whose sum is σ = 1777985664. Its totient is φ = 180652032.

The previous prime is 578725627. The next prime is 578725669. The reversal of 578725632 is 236527875.

578725632 is a `hidden beast` number, since 5 + 7 + 8 + 7 + 2 + 5 + 632 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3550383 + ... + 3550545.

Almost surely, 2^578725632 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 578725632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888992832).

578725632 is an abundant number, since it is smaller than the sum of its proper divisors (1199260032).

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

578725632 is a wasteful number, since it uses less digits than its factorization.

578725632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 258 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 578725632 is about 24056.7169829967. The cubic root of 578725632 is about 833.3438587826.

It can be divided in two parts, 57872 and 5632, that added together give a square (63504 = 252²).

The spelling of 578725632 in words is "five hundred seventy-eight million, seven hundred twenty-five thousand, six hundred thirty-two".