3647061728 has 12 divisors (see below), whose sum is σ = 7180152840. Its totient is φ = 1823530848.

The previous prime is 3647061713. The next prime is 3647061739. The reversal of 3647061728 is 8271607463.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 56985308 + ... + 56985371.

It is an arithmetic number, because the mean of its divisors is an integer number (598346070).

Almost surely, 2^3647061728 is an apocalyptic number.

It is an amenable number.

3647061728 is a deficient number, since it is larger than the sum of its proper divisors (3533091112).

3647061728 is a wasteful number, since it uses less digits than its factorization.

3647061728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113970689 (or 113970681 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 3647061728 is about 60390.9076600112. The cubic root of 3647061728 is about 1539.2684623617.

The spelling of 3647061728 in words is "three billion, six hundred forty-seven million, sixty-one thousand, seven hundred twenty-eight".