6748449 has 4 divisors (see below), whose sum is σ = 8997936. Its totient is φ = 4498964.

The previous prime is 6748447. The next prime is 6748451. The reversal of 6748449 is 9448476.

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 an interprime number because it is at equal distance from previous prime (6748447) and next prime (6748451).

It is a cyclic number.

It is not a de Polignac number, because 6748449 - 2¹ = 6748447 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6748449.

It is not an unprimeable number, because it can be changed into a prime (6748447) 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, 1124739 + ... + 1124744.

It is an arithmetic number, because the mean of its divisors is an integer number (2249484).

Almost surely, 2^6748449 is an apocalyptic number.

It is an amenable number.

6748449 is a deficient number, since it is larger than the sum of its proper divisors (2249487).

6748449 is a wasteful number, since it uses less digits than its factorization.

6748449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249486.

The product of its digits is 193536, while the sum is 42.

The square root of 6748449 is about 2597.7777041156. Note that the first 4 decimals coincide. The cubic root of 6748449 is about 188.9736812825.

It can be divided in two parts, 67 and 48449, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 6748449 in words is "six million, seven hundred forty-eight thousand, four hundred forty-nine".