6728071433 has 8 divisors (see below), whose sum is σ = 6855445896. Its totient is φ = 6601248000.

The previous prime is 6728071403. The next prime is 6728071463. The reversal of 6728071433 is 3341708276.

It is an interprime number because it is at equal distance from previous prime (6728071403) and next prime (6728071463).

It can be written as a sum of positive squares in 4 ways, for example, as 1007872009 + 5720199424 = 31747^2 + 75632^2 .

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 6728071433 - 2¹⁰ = 6728070409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6728071403) 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, 113066 + ... + 161987.

It is an arithmetic number, because the mean of its divisors is an integer number (856930737).

Almost surely, 2^6728071433 is an apocalyptic number.

It is an amenable number.

6728071433 is a deficient number, since it is larger than the sum of its proper divisors (127374463).

6728071433 is a wasteful number, since it uses less digits than its factorization.

6728071433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275515.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 6728071433 is about 82024.8220540587. The cubic root of 6728071433 is about 1887.8328166421.

The spelling of 6728071433 in words is "six billion, seven hundred twenty-eight million, seventy-one thousand, four hundred thirty-three".