6729156 has 144 divisors (see below), whose sum is σ = 21525504. Its totient is φ = 1796256.

The previous prime is 6729137. The next prime is 6729157. The reversal of 6729156 is 6519276.

6729156 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

6729156 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 6729156.

It is not an unprimeable number, because it can be changed into a prime (6729157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156471 + ... + 156513.

Almost surely, 2^6729156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6729156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10762752).

6729156 is an abundant number, since it is smaller than the sum of its proper divisors (14796348).

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

6729156 is a wasteful number, since it uses less digits than its factorization.

6729156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 78 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 6729156 is about 2594.0616800685. The cubic root of 6729156 is about 188.7934250918.

The spelling of 6729156 in words is "six million, seven hundred twenty-nine thousand, one hundred fifty-six".