6729534 has 64 divisors (see below), whose sum is σ = 18009600. Its totient is φ = 1819584.

The previous prime is 6729533. The next prime is 6729571. The reversal of 6729534 is 4359276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6714 + ... + 7650.

It is an arithmetic number, because the mean of its divisors is an integer number (281400).

Almost surely, 2^6729534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6729534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9004800).

6729534 is an abundant number, since it is smaller than the sum of its proper divisors (11280066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6729534 is a wasteful number, since it uses less digits than its factorization.

6729534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 968 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6729534 is about 2594.1345377601. The cubic root of 6729534 is about 188.7969600858.

The spelling of 6729534 in words is "six million, seven hundred twenty-nine thousand, five hundred thirty-four".