3368481728 has 112 divisors (see below), whose sum is σ = 7610734080. Its totient is φ = 1469362176.

The previous prime is 3368481719. The next prime is 3368481761. The reversal of 3368481728 is 8271848633.

It is a super-2 number, since 2×3368481728² = 22693338303739731968, which contains 22 as substring.

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, 969851 + ... + 973317.

Almost surely, 2^3368481728 is an apocalyptic number.

3368481728 is a gapful number since it is divisible by the number (38) 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 3368481728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3805367040).

3368481728 is an abundant number, since it is smaller than the sum of its proper divisors (4242252352).

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

3368481728 is a wasteful number, since it uses less digits than its factorization.

3368481728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3552 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 3368481728 is about 58038.6227265947. The cubic root of 3368481728 is about 1499.0337077272.

The spelling of 3368481728 in words is "three billion, three hundred sixty-eight million, four hundred eighty-one thousand, seven hundred twenty-eight".