3313752720 has 80 divisors (see below), whose sum is σ = 10332142272. Its totient is φ = 878548480.

The previous prime is 3313752677. The next prime is 3313752721. The reversal of 3313752720 is 272573133.

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

It is not an unprimeable number, because it can be changed into a prime (3313752721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615 + ... + 81425.

Almost surely, 2^3313752720 is an apocalyptic number.

3313752720 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 3313752720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166071136).

3313752720 is an abundant number, since it is smaller than the sum of its proper divisors (7018389552).

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

3313752720 is a wasteful number, since it uses less digits than its factorization.

3313752720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80000 (or 79994 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 3313752720 is about 57565.2040732941. The cubic root of 3313752720 is about 1490.8708810625.

The spelling of 3313752720 in words is "three billion, three hundred thirteen million, seven hundred fifty-two thousand, seven hundred twenty".