6722548 has 48 divisors (see below), whose sum is σ = 14757120. Its totient is φ = 2612736.

The previous prime is 6722539. The next prime is 6722549. The reversal of 6722548 is 8452276.

It is a super-2 number, since 2×6722548² = 90385303224608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722549) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13561 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

Almost surely, 2^6722548 is an apocalyptic number.

6722548 is a gapful number since it is divisible by the number (68) 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 6722548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7378560).

6722548 is an abundant number, since it is smaller than the sum of its proper divisors (8034572).

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

6722548 is a wasteful number, since it uses less digits than its factorization.

6722548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 6722548 is about 2592.7876889557. The cubic root of 6722548 is about 188.7316067629.

The spelling of 6722548 in words is "six million, seven hundred twenty-two thousand, five hundred forty-eight".