3533648672 has 24 divisors (see below), whose sum is σ = 7007659596. Its totient is φ = 1753925632.

The previous prime is 3533648659. The next prime is 3533648681. The reversal of 3533648672 is 2768463353.

It can be written as a sum of positive squares in 2 ways, for example, as 3533589136 + 59536 = 59444^2 + 244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398633 + ... + 407400.

Almost surely, 2^3533648672 is an apocalyptic number.

3533648672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3533648672 is a deficient number, since it is larger than the sum of its proper divisors (3474010924).

3533648672 is a wasteful number, since it uses less digits than its factorization.

3533648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806180 (or 806172 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 47.

The square root of 3533648672 is about 59444.5007717282. The cubic root of 3533648672 is about 1523.1445565774.

The spelling of 3533648672 in words is "three billion, five hundred thirty-three million, six hundred forty-eight thousand, six hundred seventy-two".