6728355073 has 8 divisors (see below), whose sum is σ = 7351169760. Its totient is φ = 6107398080.

The previous prime is 6728355019. The next prime is 6728355079. The reversal of 6728355073 is 3705538276.

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 6728355073 - 2¹⁷ = 6728224001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6728355079) by changing a digit.

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, 456840 + ... + 471337.

It is an arithmetic number, because the mean of its divisors is an integer number (918896220).

Almost surely, 2^6728355073 is an apocalyptic number.

It is an amenable number.

6728355073 is a deficient number, since it is larger than the sum of its proper divisors (622814687).

6728355073 is a wasteful number, since it uses less digits than its factorization.

6728355073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928847.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 6728355073 is about 82026.5510246530. The cubic root of 6728355073 is about 1887.8593451642.

The spelling of 6728355073 in words is "six billion, seven hundred twenty-eight million, three hundred fifty-five thousand, seventy-three".