3624745 has 4 divisors (see below), whose sum is σ = 4349700. Its totient is φ = 2899792.

The previous prime is 3624727. The next prime is 3624773. The reversal of 3624745 is 5474263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5474263 = 421 ⋅13003.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 1996569 = 1276^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 3624745 - 2⁹ = 3624233 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 362470 + ... + 362479.

It is an arithmetic number, because the mean of its divisors is an integer number (1087425).

Almost surely, 2^3624745 is an apocalyptic number.

It is an amenable number.

3624745 is a deficient number, since it is larger than the sum of its proper divisors (724955).

3624745 is an equidigital number, since it uses as much as digits as its factorization.

3624745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724954.

The product of its digits is 20160, while the sum is 31.

The square root of 3624745 is about 1903.8763090075. The cubic root of 3624745 is about 153.6122391732.

The spelling of 3624745 in words is "three million, six hundred twenty-four thousand, seven hundred forty-five".