6736720 has 40 divisors (see below), whose sum is σ = 15829344. Its totient is φ = 2666112.

The previous prime is 6736687. The next prime is 6736727. The reversal of 6736720 is 276376.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6736727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8167 + ... + 8953.

Almost surely, 2^6736720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6736720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7914672).

6736720 is an abundant number, since it is smaller than the sum of its proper divisors (9092624).

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

6736720 is a wasteful number, since it uses less digits than its factorization.

6736720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 6736720 is about 2595.5192158796. The cubic root of 6736720 is about 188.8641372155.

The spelling of 6736720 in words is "six million, seven hundred thirty-six thousand, seven hundred twenty".