3640172704 has 48 divisors (see below), whose sum is σ = 8244706176. Its totient is φ = 1549728000.

The previous prime is 3640172687. The next prime is 3640172759. The reversal of 3640172704 is 4072710463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640172704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19987 + ... + 87634.

It is an arithmetic number, because the mean of its divisors is an integer number (171764712).

Almost surely, 2^3640172704 is an apocalyptic number.

It is an amenable number.

3640172704 is an abundant number, since it is smaller than the sum of its proper divisors (4604533472).

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

3640172704 is a wasteful number, since it uses less digits than its factorization.

3640172704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107789 (or 107781 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 3640172704 is about 60333.8437694798. The cubic root of 3640172704 is about 1538.2986642118.

The spelling of 3640172704 in words is "three billion, six hundred forty million, one hundred seventy-two thousand, seven hundred four".