3489568720 has 40 divisors (see below), whose sum is σ = 8850817440. Its totient is φ = 1268933760.

The previous prime is 3489568697. The next prime is 3489568757. The reversal of 3489568720 is 278659843.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 1981830 + ... + 1983589.

It is an arithmetic number, because the mean of its divisors is an integer number (221270436).

Almost surely, 2^3489568720 is an apocalyptic number.

It is an amenable number.

3489568720 is an abundant number, since it is smaller than the sum of its proper divisors (5361248720).

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

3489568720 is a wasteful number, since it uses less digits than its factorization.

3489568720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965443 (or 3965437 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 3489568720 is about 59072.5716386209. The cubic root of 3489568720 is about 1516.7846273560.

The spelling of 3489568720 in words is "three billion, four hundred eighty-nine million, five hundred sixty-eight thousand, seven hundred twenty".