6778573 has 8 divisors (see below), whose sum is σ = 7175520. Its totient is φ = 6385680.

The previous prime is 6778567. The next prime is 6778579. The reversal of 6778573 is 3758776.

It is an interprime number because it is at equal distance from previous prime (6778567) and next prime (6778579).

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 6778573 - 2⁹ = 6778061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 4648.

It is an arithmetic number, because the mean of its divisors is an integer number (896940).

Almost surely, 2^6778573 is an apocalyptic number.

It is an amenable number.

6778573 is a deficient number, since it is larger than the sum of its proper divisors (396947).

6778573 is a wasteful number, since it uses less digits than its factorization.

6778573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027.

The product of its digits is 246960, while the sum is 43.

The square root of 6778573 is about 2603.5692808143. The cubic root of 6778573 is about 189.2544467229.

The spelling of 6778573 in words is "six million, seven hundred seventy-eight thousand, five hundred seventy-three".