5643707720 has 32 divisors (see below), whose sum is σ = 14512392000. Its totient is φ = 1934985408.

The previous prime is 5643707701. The next prime is 5643707723. The reversal of 5643707720 is 277073465.

It is not an unprimeable number, because it can be changed into a prime (5643707723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10077770 + ... + 10078329.

It is an arithmetic number, because the mean of its divisors is an integer number (453512250).

Almost surely, 2^5643707720 is an apocalyptic number.

It is an amenable number.

5643707720 is an abundant number, since it is smaller than the sum of its proper divisors (8868684280).

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

5643707720 is a wasteful number, since it uses less digits than its factorization.

5643707720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20156117 (or 20156113 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 5643707720 is about 75124.6146079965. The cubic root of 5643707720 is about 1780.4160665229.

The spelling of 5643707720 in words is "five billion, six hundred forty-three million, seven hundred seven thousand, seven hundred twenty".