3675645 has 32 divisors (see below), whose sum is σ = 6883200. Its totient is φ = 1855872.

The previous prime is 3675631. The next prime is 3675647. The reversal of 3675645 is 5465763.

3675645 is a `hidden beast` number, since 3 + 6 + 7 + 5 + 645 = 666.

It is not a de Polignac number, because 3675645 - 2⁴ = 3675629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3675647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1849 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (215100).

Almost surely, 2^3675645 is an apocalyptic number.

It is an amenable number.

3675645 is a deficient number, since it is larger than the sum of its proper divisors (3207555).

3675645 is a wasteful number, since it uses less digits than its factorization.

3675645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1460 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 3675645 is about 1917.1971729585. The cubic root of 3675645 is about 154.3279260603.

The spelling of 3675645 in words is "three million, six hundred seventy-five thousand, six hundred forty-five".