3324720 has 80 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 759552.

The previous prime is 3324703. The next prime is 3324721. The reversal of 3324720 is 274233.

It is a happy number.

3324720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3324720² = 22107526156800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3324721) 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, 691 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

Almost surely, 2^3324720 is an apocalyptic number.

3324720 is a gapful number since it is divisible by the number (30) 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 3324720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5892480).

3324720 is an abundant number, since it is smaller than the sum of its proper divisors (8460240).

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

3324720 is a wasteful number, since it uses less digits than its factorization.

3324720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3324720 is about 1823.3814740750. The cubic root of 3324720 is about 149.2513811252.

Adding to 3324720 its reverse (274233), we get a palindrome (3598953).

It can be divided in two parts, 33 and 24720, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 3324720 in words is "three million, three hundred twenty-four thousand, seven hundred twenty".