6720223248 has 30 divisors (see below), whose sum is σ = 18807291854. Its totient is φ = 2240074368.

The previous prime is 6720223217. The next prime is 6720223249. The reversal of 6720223248 is 8423220276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3634642944 + 3085580304 = 60288^2 + 55548^2 .

It is a super-2 number, since 2×6720223248² = 90322801005919339008, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (6720223249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23333965 + ... + 23334252.

Almost surely, 2^6720223248 is an apocalyptic number.

It is an amenable number.

6720223248 is an abundant number, since it is smaller than the sum of its proper divisors (12087068606).

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

6720223248 is a wasteful number, since it uses less digits than its factorization.

6720223248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46668231 (or 46668222 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 6720223248 is about 81976.9677897396. The cubic root of 6720223248 is about 1887.0984890330.

The spelling of 6720223248 in words is "six billion, seven hundred twenty million, two hundred twenty-three thousand, two hundred forty-eight".