6728948 has 6 divisors (see below), whose sum is σ = 11775666. Its totient is φ = 3364472.

The previous prime is 6728947. The next prime is 6728963. The reversal of 6728948 is 8498276.

It can be written as a sum of positive squares in only one way, i.e., 4502884 + 2226064 = 2122^2 + 1492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6728899 and 6728908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841115 + ... + 841122.

It is an arithmetic number, because the mean of its divisors is an integer number (1962611).

Almost surely, 2^6728948 is an apocalyptic number.

It is an amenable number.

6728948 is a deficient number, since it is larger than the sum of its proper divisors (5046718).

6728948 is a wasteful number, since it uses less digits than its factorization.

6728948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682241 (or 1682239 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 6728948 is about 2594.0215881908. The cubic root of 6728948 is about 188.7914798535.

The spelling of 6728948 in words is "six million, seven hundred twenty-eight thousand, nine hundred forty-eight".