3643075 has 6 divisors (see below), whose sum is σ = 4517444. Its totient is φ = 2914440.

The previous prime is 3643063. The next prime is 3643099. The reversal of 3643075 is 5703463.

It is not a de Polignac number, because 3643075 - 2⁵ = 3643043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 72837 + ... + 72886.

Almost surely, 2^3643075 is an apocalyptic number.

3643075 is a deficient number, since it is larger than the sum of its proper divisors (874369).

3643075 is a wasteful number, since it uses less digits than its factorization.

3643075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145733 (or 145728 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3643075 is about 1908.6841016784. The cubic root of 3643075 is about 153.8707382187.

The spelling of 3643075 in words is "three million, six hundred forty-three thousand, seventy-five".