6730506 has 32 divisors (see below), whose sum is σ = 15102720. Its totient is φ = 2221632.

The previous prime is 6730501. The next prime is 6730531. The reversal of 6730506 is 6050376.

It is a super-2 number, since 2×6730506² = 90599422032072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 6730506.

It is not an unprimeable number, because it can be changed into a prime (6730501) 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 15 ways as a sum of consecutive naturals, for example, 5551 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 2^6730506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6730506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7551360).

6730506 is an abundant number, since it is smaller than the sum of its proper divisors (8372214).

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

6730506 is a wasteful number, since it uses less digits than its factorization.

6730506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 6730506 is about 2594.3218767146. The cubic root of 6730506 is about 188.8060494626.

The spelling of 6730506 in words is "six million, seven hundred thirty thousand, five hundred six".