3636728334 has 32 divisors (see below), whose sum is σ = 8087904000. Its totient is φ = 1211299992.

The previous prime is 3636728299. The next prime is 3636728357. The reversal of 3636728334 is 4338276363.

3636728334 is a `hidden beast` number, since 3 + 6 + 367 + 283 + 3 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3636728334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45697 + ... + 96755.

It is an arithmetic number, because the mean of its divisors is an integer number (252747000).

Almost surely, 2^3636728334 is an apocalyptic number.

3636728334 is an abundant number, since it is smaller than the sum of its proper divisors (4451175666).

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

3636728334 is a wasteful number, since it uses less digits than its factorization.

3636728334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52389 (or 52383 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

The square root of 3636728334 is about 60305.2927527924. The cubic root of 3636728334 is about 1537.8133262680.

The spelling of 3636728334 in words is "three billion, six hundred thirty-six million, seven hundred twenty-eight thousand, three hundred thirty-four".