543868720 has 20 divisors (see below), whose sum is σ = 1264494960. Its totient is φ = 217547456.

The previous prime is 543868691. The next prime is 543868723. The reversal of 543868720 is 27868345.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (543868723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399100 + ... + 3399259.

It is an arithmetic number, because the mean of its divisors is an integer number (63224748).

Almost surely, 2^543868720 is an apocalyptic number.

It is an amenable number.

543868720 is an abundant number, since it is smaller than the sum of its proper divisors (720626240).

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

543868720 is a wasteful number, since it uses less digits than its factorization.

543868720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798372 (or 6798366 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 543868720 is about 23320.9931177898. The cubic root of 543868720 is about 816.2653484728.

The spelling of 543868720 in words is "five hundred forty-three million, eight hundred sixty-eight thousand, seven hundred twenty".