6725994 has 32 divisors (see below), whose sum is σ = 14834880. Its totient is φ = 2016000.

The previous prime is 6725987. The next prime is 6726023. The reversal of 6725994 is 4995276.

It is an unprimeable number.

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, 6162 + ... + 7170.

It is an arithmetic number, because the mean of its divisors is an integer number (463590).

Almost surely, 2^6725994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6725994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7417440).

6725994 is an abundant number, since it is smaller than the sum of its proper divisors (8108886).

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

6725994 is a wasteful number, since it uses less digits than its factorization.

6725994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 136080, while the sum is 42.

The square root of 6725994 is about 2593.4521395237. The cubic root of 6725994 is about 188.7638493997.

It can be divided in two parts, 672 and 5994, that added together give a palindrome (6666).

The spelling of 6725994 in words is "six million, seven hundred twenty-five thousand, nine hundred ninety-four".