3660745 has 16 divisors (see below), whose sum is σ = 4847040. Its totient is φ = 2632000.

The previous prime is 3660739. The next prime is 3660799. The reversal of 3660745 is 5470663.

It is not a de Polignac number, because 3660745 - 2⁷ = 3660617 is a prime.

3660745 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5226 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

Almost surely, 2^3660745 is an apocalyptic number.

It is an amenable number.

3660745 is a deficient number, since it is larger than the sum of its proper divisors (1186295).

3660745 is a wasteful number, since it uses less digits than its factorization.

3660745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3660745 is about 1913.3073459327. The cubic root of 3660745 is about 154.1191100778.

The spelling of 3660745 in words is "three million, six hundred sixty thousand, seven hundred forty-five".