573474816 has 120 divisors (see below), whose sum is σ = 1713421710. Its totient is φ = 191102976.

The previous prime is 573474809. The next prime is 573474823. The reversal of 573474816 is 618474375.

573474816 is a `hidden beast` number, since 573 + 4 + 74 + 8 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (573474809) and next prime (573474823).

It can be written as a sum of positive squares in only one way, i.e., 571401216 + 2073600 = 23904^2 + 1440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 164160 + ... + 167616.

Almost surely, 2^573474816 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 573474816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856710855).

573474816 is an abundant number, since it is smaller than the sum of its proper divisors (1139946894).

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

573474816 is an equidigital number, since it uses as much as digits as its factorization.

573474816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3462 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 573474816 is about 23947.3342148975. The cubic root of 573474816 is about 830.8158697463.

The spelling of 573474816 in words is "five hundred seventy-three million, four hundred seventy-four thousand, eight hundred sixteen".