3313247728 has 40 divisors (see below), whose sum is σ = 7359994208. Its totient is φ = 1415411712.

The previous prime is 3313247713. The next prime is 3313247747. The reversal of 3313247728 is 8277423133.

3313247728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3313247728² = 21955221014194323968, 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 7 ways as a sum of consecutive naturals, for example, 12201 + ... + 82312.

Almost surely, 2^3313247728 is an apocalyptic number.

It is an amenable number.

3313247728 is an abundant number, since it is smaller than the sum of its proper divisors (4046746480).

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

3313247728 is a wasteful number, since it uses less digits than its factorization.

3313247728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94841 (or 94835 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 3313247728 is about 57560.8176453393. The cubic root of 3313247728 is about 1490.7951445608.

The spelling of 3313247728 in words is "three billion, three hundred thirteen million, two hundred forty-seven thousand, seven hundred twenty-eight".