6573996 has 72 divisors (see below), whose sum is σ = 19538064. Its totient is φ = 1837440.

The previous prime is 6573979. The next prime is 6573997. The reversal of 6573996 is 6993756.

6573996 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6573996³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6573997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4510 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (271362).

Almost surely, 2^6573996 is an apocalyptic number.

6573996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6573996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9769032).

6573996 is an abundant number, since it is smaller than the sum of its proper divisors (12964068).

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

6573996 is a wasteful number, since it uses less digits than its factorization.

6573996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1306 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 6573996 is about 2563.9804991458. The cubic root of 6573996 is about 187.3310691784.

It can be divided in two parts, 6573 and 996, that added together give a square (7569 = 87²).

The spelling of 6573996 in words is "six million, five hundred seventy-three thousand, nine hundred ninety-six".