578747640 has 64 divisors (see below), whose sum is σ = 1739763360. Its totient is φ = 154019840.

The previous prime is 578747593. The next prime is 578747641. The reversal of 578747640 is 46747875.

It is a self number, because there is not a number n which added to its sum of digits gives 578747640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578747641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57892 + ... + 67148.

Almost surely, 2^578747640 is an apocalyptic number.

It is an amenable number.

578747640 is an abundant number, since it is smaller than the sum of its proper divisors (1161015720).

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

578747640 is a wasteful number, since it uses less digits than its factorization.

578747640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9792 (or 9788 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 578747640 is about 24057.1743976719. The cubic root of 578747640 is about 833.3544222219.

The spelling of 578747640 in words is "five hundred seventy-eight million, seven hundred forty-seven thousand, six hundred forty".