3686725 has 12 divisors (see below), whose sum is σ = 5224864. Its totient is φ = 2527920.

The previous prime is 3686723. The next prime is 3686729. The reversal of 3686725 is 5276863.

It is not a de Polignac number, because 3686725 - 2¹ = 3686723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10359 + ... + 10708.

Almost surely, 2^3686725 is an apocalyptic number.

3686725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3686725 is a deficient number, since it is larger than the sum of its proper divisors (1538139).

3686725 is a wasteful number, since it uses less digits than its factorization.

3686725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21084 (or 21079 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 3686725 is about 1920.0846335513. The cubic root of 3686725 is about 154.4828411033.

The spelling of 3686725 in words is "three million, six hundred eighty-six thousand, seven hundred twenty-five".