6722880 has 112 divisors (see below), whose sum is σ = 21945600. Its totient is φ = 1742848.

The previous prime is 6722879. The next prime is 6722899. The reversal of 6722880 is 882276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45046 + ... + 45194.

Almost surely, 2^6722880 is an apocalyptic number.

6722880 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 6722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10972800).

6722880 is an abundant number, since it is smaller than the sum of its proper divisors (15222720).

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

6722880 is a wasteful number, since it uses less digits than its factorization.

6722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 6722880 is about 2592.8517119188. The cubic root of 6722880 is about 188.7347136137.

The spelling of 6722880 in words is "six million, seven hundred twenty-two thousand, eight hundred eighty".