6748647 has 8 divisors (see below), whose sum is σ = 9106944. Its totient is φ = 4444728.

The previous prime is 6748639. The next prime is 6748673. The reversal of 6748647 is 7468476.

6748647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6748647 - 2³ = 6748639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6748599 and 6748608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6748627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13303 + ... + 13800.

It is an arithmetic number, because the mean of its divisors is an integer number (1138368).

Almost surely, 2^6748647 is an apocalyptic number.

6748647 is a deficient number, since it is larger than the sum of its proper divisors (2358297).

6748647 is a wasteful number, since it uses less digits than its factorization.

6748647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189.

The product of its digits is 225792, while the sum is 42.

The square root of 6748647 is about 2597.8158133324. The cubic root of 6748647 is about 188.9755294317.

The spelling of 6748647 in words is "six million, seven hundred forty-eight thousand, six hundred forty-seven".