6726720 has 336 divisors, whose sum is σ = 29187648. Its totient is φ = 1290240.

The previous prime is 6726697. The next prime is 6726737. The reversal of 6726720 is 276276.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517434 + ... + 517446.

It is an arithmetic number, because the mean of its divisors is an integer number (86868).

Almost surely, 2^6726720 is an apocalyptic number.

6726720 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 6726720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14593824).

6726720 is an abundant number, since it is smaller than the sum of its proper divisors (22460928).

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

6726720 is a wasteful number, since it uses less digits than its factorization.

6726720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 6726720 is about 2593.5921036277. The cubic root of 6726720 is about 188.7706408432.

The spelling of 6726720 in words is "six million, seven hundred twenty-six thousand, seven hundred twenty".