6748489 has 4 divisors (see below), whose sum is σ = 7362000. Its totient is φ = 6134980.

The previous prime is 6748487. The next prime is 6748493. The reversal of 6748489 is 9848476.

It is a happy number.

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 6748489 - 2¹ = 6748487 is a prime.

It is a Duffinian number.

6748489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6748487) 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 in 3 ways as a sum of consecutive naturals, for example, 306739 + ... + 306760.

It is an arithmetic number, because the mean of its divisors is an integer number (1840500).

Almost surely, 2^6748489 is an apocalyptic number.

It is an amenable number.

6748489 is a deficient number, since it is larger than the sum of its proper divisors (613511).

6748489 is a wasteful number, since it uses less digits than its factorization.

6748489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613510.

The product of its digits is 387072, while the sum is 46.

The square root of 6748489 is about 2597.7854029923. The cubic root of 6748489 is about 188.9740546489.

The spelling of 6748489 in words is "six million, seven hundred forty-eight thousand, four hundred eighty-nine".