3640773 has 4 divisors (see below), whose sum is σ = 4854368. Its totient is φ = 2427180.

The previous prime is 3640753. The next prime is 3640781. The reversal of 3640773 is 3770463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3770463 = 3 ⋅1256821.

It is not a de Polignac number, because 3640773 - 2¹⁸ = 3378629 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3640773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640753) 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 3 ways as a sum of consecutive naturals, for example, 606793 + ... + 606798.

It is an arithmetic number, because the mean of its divisors is an integer number (1213592).

Almost surely, 2^3640773 is an apocalyptic number.

It is an amenable number.

3640773 is a deficient number, since it is larger than the sum of its proper divisors (1213595).

3640773 is a wasteful number, since it uses less digits than its factorization.

3640773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213594.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 3640773 is about 1908.0809731246. The cubic root of 3640773 is about 153.8383219154.

The spelling of 3640773 in words is "three million, six hundred forty thousand, seven hundred seventy-three".