6489745 has 8 divisors (see below), whose sum is σ = 7801920. Its totient is φ = 5182320.

The previous prime is 6489719. The next prime is 6489779. The reversal of 6489745 is 5479846.

6489745 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 6489745 - 2¹⁵ = 6456977 is a prime.

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, 3540 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^6489745 is an apocalyptic number.

It is an amenable number.

6489745 is a deficient number, since it is larger than the sum of its proper divisors (1312175).

6489745 is a wasteful number, since it uses less digits than its factorization.

6489745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its digits is 241920, while the sum is 43.

The square root of 6489745 is about 2547.4977919519. The cubic root of 6489745 is about 186.5273602786.

The spelling of 6489745 in words is "six million, four hundred eighty-nine thousand, seven hundred forty-five".