578741520 has 160 divisors (see below), whose sum is σ = 2158433280. Its totient is φ = 125314560.

The previous prime is 578741491. The next prime is 578741549. The reversal of 578741520 is 25147875.

It is an interprime number because it is at equal distance from previous prime (578741491) and next prime (578741549).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22855 + ... + 40985.

It is an arithmetic number, because the mean of its divisors is an integer number (13490208).

Almost surely, 2^578741520 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 578741520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079216640).

578741520 is an abundant number, since it is smaller than the sum of its proper divisors (1579691760).

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

578741520 is a wasteful number, since it uses less digits than its factorization.

578741520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173 (or 18167 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 578741520 is about 24057.0472003527. The cubic root of 578741520 is about 833.3514847602.

The spelling of 578741520 in words is "five hundred seventy-eight million, seven hundred forty-one thousand, five hundred twenty".