573305940 has 144 divisors (see below), whose sum is σ = 1811496960. Its totient is φ = 146603520.

The previous prime is 573305939. The next prime is 573305951. The reversal of 573305940 is 49503375.

573305940 is a `hidden beast` number, since 573 + 30 + 59 + 4 + 0 = 666.

573305940 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 573305895 and 573305904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 708256 + ... + 709064.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2^573305940 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 573305940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905748480).

573305940 is an abundant number, since it is smaller than the sum of its proper divisors (1238191020).

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

573305940 is a wasteful number, since it uses less digits than its factorization.

573305940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 573305940 is about 23943.8079678233. The cubic root of 573305940 is about 830.7343092712.

The spelling of 573305940 in words is "five hundred seventy-three million, three hundred five thousand, nine hundred forty".