6729433 has 4 divisors (see below), whose sum is σ = 7125300. Its totient is φ = 6333568.

The previous prime is 6729427. The next prime is 6729461. The reversal of 6729433 is 3349276.

6729433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5631129 + 1098304 = 2373^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 6729433 - 2²¹ = 4632281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6729473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197908 + ... + 197941.

It is an arithmetic number, because the mean of its divisors is an integer number (1781325).

Almost surely, 2^6729433 is an apocalyptic number.

It is an amenable number.

6729433 is a deficient number, since it is larger than the sum of its proper divisors (395867).

6729433 is a wasteful number, since it uses less digits than its factorization.

6729433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395866.

The product of its digits is 27216, while the sum is 34.

The square root of 6729433 is about 2594.1150706937. The cubic root of 6729433 is about 188.7960155634.

The spelling of 6729433 in words is "six million, seven hundred twenty-nine thousand, four hundred thirty-three".