6722533520 has 40 divisors (see below), whose sum is σ = 16134086400. Its totient is φ = 2602270080.

The previous prime is 6722533513. The next prime is 6722533537. The reversal of 6722533520 is 253352276.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352870 + ... + 1357829.

It is an arithmetic number, because the mean of its divisors is an integer number (403352160).

Almost surely, 2^6722533520 is an apocalyptic number.

It is an amenable number.

6722533520 is an abundant number, since it is smaller than the sum of its proper divisors (9411552880).

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

6722533520 is a wasteful number, since it uses less digits than its factorization.

6722533520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710743 (or 2710737 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 6722533520 is about 81991.0575611755. The cubic root of 6722533520 is about 1887.3147125692.

Adding to 6722533520 its reverse (253352276), we get a palindrome (6975885796).

The spelling of 6722533520 in words is "six billion, seven hundred twenty-two million, five hundred thirty-three thousand, five hundred twenty".