3420328752 has 60 divisors (see below), whose sum is σ = 9603473880. Its totient is φ = 1136381184.

The previous prime is 3420328739. The next prime is 3420328789. The reversal of 3420328752 is 2578230243.

3420328752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5524 + ... + 82892.

It is an arithmetic number, because the mean of its divisors is an integer number (160057898).

Almost surely, 2^3420328752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420328752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4801736940).

3420328752 is an abundant number, since it is smaller than the sum of its proper divisors (6183145128).

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

3420328752 is a wasteful number, since it uses less digits than its factorization.

3420328752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77690 (or 77681 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 3420328752 is about 58483.5767716032. The cubic root of 3420328752 is about 1506.6855288665.

Adding to 3420328752 its reverse (2578230243), we get a palindrome (5998558995).

The spelling of 3420328752 in words is "three billion, four hundred twenty million, three hundred twenty-eight thousand, seven hundred fifty-two".