3638080172 has 24 divisors (see below), whose sum is σ = 6748860384. Its totient is φ = 1710079232.

The previous prime is 3638080169. The next prime is 3638080213. The reversal of 3638080172 is 2710808363.

It is a happy number.

3638080172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30158 + ... + 90474.

It is an arithmetic number, because the mean of its divisors is an integer number (281202516).

Almost surely, 2^3638080172 is an apocalyptic number.

It is a pronic number, being equal to 60316×60317.

It is an amenable number.

3638080172 is a deficient number, since it is larger than the sum of its proper divisors (3110780212).

3638080172 is a wasteful number, since it uses less digits than its factorization.

3638080172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61225 (or 61223 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3638080172 is about 60316.4999979276. The cubic root of 3638080172 is about 1538.0038470483.

The spelling of 3638080172 in words is "three billion, six hundred thirty-eight million, eighty thousand, one hundred seventy-two".