6573428 has 6 divisors (see below), whose sum is σ = 11503506. Its totient is φ = 3286712.

The previous prime is 6573419. The next prime is 6573443. The reversal of 6573428 is 8243756.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4418404 + 2155024 = 2102^2 + 1468^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 821675 + ... + 821682.

It is an arithmetic number, because the mean of its divisors is an integer number (1917251).

Almost surely, 2^6573428 is an apocalyptic number.

It is an amenable number.

6573428 is a deficient number, since it is larger than the sum of its proper divisors (4930078).

6573428 is a wasteful number, since it uses less digits than its factorization.

6573428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643361 (or 1643359 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 6573428 is about 2563.8697314801. The cubic root of 6573428 is about 187.3256738241.

The spelling of 6573428 in words is "six million, five hundred seventy-three thousand, four hundred twenty-eight".