3613065172 has 18 divisors (see below), whose sum is σ = 6362079738. Its totient is φ = 1795396752.

The previous prime is 3613065121. The next prime is 3613065179. The reversal of 3613065172 is 2715603163.

It can be written as a sum of positive squares in only one way, i.e., 3217612176 + 395452996 = 56724^2 + 19886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3613065179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89278 + ... + 123274.

Almost surely, 2^3613065172 is an apocalyptic number.

It is an amenable number.

3613065172 is a deficient number, since it is larger than the sum of its proper divisors (2749014566).

3613065172 is a wasteful number, since it uses less digits than its factorization.

3613065172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34327 (or 34162 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3613065172 is about 60108.7778282008. Note that the first 3 decimals coincide. The cubic root of 3613065172 is about 1534.4706938696.

The spelling of 3613065172 in words is "three billion, six hundred thirteen million, sixty-five thousand, one hundred seventy-two".