6722468280 has 384 divisors, whose sum is σ = 25635916800. Its totient is φ = 1510272000.

The previous prime is 6722468273. The next prime is 6722468293. The reversal of 6722468280 is 828642276.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3535330 + ... + 3537230.

It is an arithmetic number, because the mean of its divisors is an integer number (66760200).

Almost surely, 2^6722468280 is an apocalyptic number.

6722468280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6722468280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12817958400).

6722468280 is an abundant number, since it is smaller than the sum of its proper divisors (18913448520).

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

6722468280 is a wasteful number, since it uses less digits than its factorization.

6722468280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 6722468280 is about 81990.6597119452. The cubic root of 6722468280 is about 1887.3086072911.

The spelling of 6722468280 in words is "six billion, seven hundred twenty-two million, four hundred sixty-eight thousand, two hundred eighty".