6732220 has 48 divisors (see below), whose sum is σ = 15676416. Its totient is φ = 2408000.

The previous prime is 6732197. The next prime is 6732247. The reversal of 6732220 is 222376.

6732220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6732220² = 90645572256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 6732191 and 6732200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15405 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^6732220 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 6732220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7838208).

6732220 is an abundant number, since it is smaller than the sum of its proper divisors (8944196).

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

6732220 is a wasteful number, since it uses less digits than its factorization.

6732220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 6732220 is about 2594.6521924913. The cubic root of 6732220 is about 188.8220753059.

Adding to 6732220 its reverse (222376), we get a palindrome (6954596).

The spelling of 6732220 in words is "six million, seven hundred thirty-two thousand, two hundred twenty".