3686552372 has 12 divisors (see below), whose sum is σ = 6451990020. Its totient is φ = 1843126656.

The previous prime is 3686552347. The next prime is 3686552377. The reversal of 3686552372 is 2732556863.

It can be written as a sum of positive squares in 2 ways, for example, as 1398460816 + 2288091556 = 37396^2 + 47834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686552377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32678 + ... + 91874.

It is an arithmetic number, because the mean of its divisors is an integer number (537665835).

Almost surely, 2^3686552372 is an apocalyptic number.

It is an amenable number.

3686552372 is a deficient number, since it is larger than the sum of its proper divisors (2765437648).

3686552372 is a wasteful number, since it uses less digits than its factorization.

3686552372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74770 (or 74768 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The square root of 3686552372 is about 60716.9858606305. The cubic root of 3686552372 is about 1544.8042988646.

The spelling of 3686552372 in words is "three billion, six hundred eighty-six million, five hundred fifty-two thousand, three hundred seventy-two".