6760721 has 4 divisors (see below), whose sum is σ = 7375344. Its totient is φ = 6146100.

The previous prime is 6760717. The next prime is 6760727. The reversal of 6760721 is 1270676.

6760721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6760721 - 2² = 6760717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6760727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307295 + ... + 307316.

It is an arithmetic number, because the mean of its divisors is an integer number (1843836).

Almost surely, 2^6760721 is an apocalyptic number.

It is an amenable number.

6760721 is a deficient number, since it is larger than the sum of its proper divisors (614623).

6760721 is a wasteful number, since it uses less digits than its factorization.

6760721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614622.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 6760721 is about 2600.1386501493. The cubic root of 6760721 is about 189.0881609547.

The spelling of 6760721 in words is "six million, seven hundred sixty thousand, seven hundred twenty-one".