6748720 has 40 divisors (see below), whose sum is σ = 17119440. Its totient is φ = 2453760.

The previous prime is 6748691. The next prime is 6748771. The reversal of 6748720 is 278476.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (427986).

Almost surely, 2^6748720 is an apocalyptic number.

It is an amenable number.

6748720 is an abundant number, since it is smaller than the sum of its proper divisors (10370720).

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

6748720 is a wasteful number, since it uses less digits than its factorization.

6748720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693 (or 7687 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 6748720 is about 2597.8298635592. The cubic root of 6748720 is about 188.9762108109.

The spelling of 6748720 in words is "six million, seven hundred forty-eight thousand, seven hundred twenty".