6704545 has 8 divisors (see below), whose sum is σ = 8518824. Its totient is φ = 5048064.

The previous prime is 6704531. The next prime is 6704557. The reversal of 6704545 is 5454076.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1002001 + 5702544 = 1001^2 + 2388^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6704545 - 2⁷ = 6704417 is a prime.

It is a Duffinian number.

6704545 is a modest number, since divided by 4545 gives 670 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39354 + ... + 39523.

It is an arithmetic number, because the mean of its divisors is an integer number (1064853).

Almost surely, 2^6704545 is an apocalyptic number.

It is an amenable number.

6704545 is a deficient number, since it is larger than the sum of its proper divisors (1814279).

6704545 is a wasteful number, since it uses less digits than its factorization.

6704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78899.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 6704545 is about 2589.3136156132. The cubic root of 6704545 is about 188.5629815786.

The spelling of 6704545 in words is "six million, seven hundred four thousand, five hundred forty-five".