3450728064 has 64 divisors (see below), whose sum is σ = 10475432640. Its totient is φ = 985921536.

The previous prime is 3450728063. The next prime is 3450728123. The reversal of 3450728064 is 4608270543.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3450728063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639189 + ... + 644564.

It is an arithmetic number, because the mean of its divisors is an integer number (163678635).

Almost surely, 2^3450728064 is an apocalyptic number.

It is an amenable number.

3450728064 is an abundant number, since it is smaller than the sum of its proper divisors (7024704576).

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

3450728064 is a wasteful number, since it uses less digits than its factorization.

3450728064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283777 (or 1283765 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 3450728064 is about 58742.8979877568. The cubic root of 3450728064 is about 1511.1360928076.

The spelling of 3450728064 in words is "three billion, four hundred fifty million, seven hundred twenty-eight thousand, sixty-four".