578347872 has 96 divisors (see below), whose sum is σ = 1557353952. Its totient is φ = 187858944.

The previous prime is 578347867. The next prime is 578347879. The reversal of 578347872 is 278743875.

It is a happy number.

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

It is a super-2 number, since 2×578347872² = 668972522093856768, which contains 22 as substring.

Its product of digits (2634240) is a multiple of the sum of its prime factors (840).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578347879) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1002048 + ... + 1002624.

It is an arithmetic number, because the mean of its divisors is an integer number (16222437).

Almost surely, 2^578347872 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 578347872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778676976).

578347872 is an abundant number, since it is smaller than the sum of its proper divisors (979006080).

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

578347872 is a wasteful number, since it uses less digits than its factorization.

578347872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 832 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The square root of 578347872 is about 24048.8642559269. The cubic root of 578347872 is about 833.1624990967.

The spelling of 578347872 in words is "five hundred seventy-eight million, three hundred forty-seven thousand, eight hundred seventy-two".