5673641 has 4 divisors (see below), whose sum is σ = 5684052. Its totient is φ = 5663232.

The previous prime is 5673637. The next prime is 5673643. The reversal of 5673641 is 1463765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1463765 = 5 ⋅292753.

It can be written as a sum of positive squares in 2 ways, for example, as 4713241 + 960400 = 2171^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 5673641 - 2² = 5673637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5673598 and 5673607.

It is not an unprimeable number, because it can be changed into a prime (5673643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1421013).

Almost surely, 2^5673641 is an apocalyptic number.

It is an amenable number.

5673641 is a deficient number, since it is larger than the sum of its proper divisors (10411).

5673641 is an equidigital number, since it uses as much as digits as its factorization.

5673641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410.

The product of its digits is 15120, while the sum is 32.

The square root of 5673641 is about 2381.9405953970. The cubic root of 5673641 is about 178.3558194101.

The spelling of 5673641 in words is "five million, six hundred seventy-three thousand, six hundred forty-one".