3680745 has 8 divisors (see below), whose sum is σ = 5889216. Its totient is φ = 1963056.

The previous prime is 3680741. The next prime is 3680753. The reversal of 3680745 is 5470863.

3680745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3680745 - 2² = 3680741 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3680741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122677 + ... + 122706.

It is an arithmetic number, because the mean of its divisors is an integer number (736152).

Almost surely, 2^3680745 is an apocalyptic number.

It is an amenable number.

3680745 is a deficient number, since it is larger than the sum of its proper divisors (2208471).

3680745 is a wasteful number, since it uses less digits than its factorization.

3680745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245391.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3680745 is about 1918.5267785465. The cubic root of 3680745 is about 154.3992703349.

The spelling of 3680745 in words is "three million, six hundred eighty thousand, seven hundred forty-five".