5673439 has 4 divisors (see below), whose sum is σ = 5680224. Its totient is φ = 5666656.

The previous prime is 5673431. The next prime is 5673443. The reversal of 5673439 is 9343765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9343765 = 5 ⋅1868753.

It is a cyclic number.

It is not a de Polignac number, because 5673439 - 2³ = 5673431 is a prime.

It is a d-powerful number, because it can be written as 5 + 6⁴ + 7⁷ + 3⁴ + 4⁸ + 3¹⁴ + 9 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5673398 and 5673407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5673431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (1420056).

Almost surely, 2^5673439 is an apocalyptic number.

5673439 is a deficient number, since it is larger than the sum of its proper divisors (6785).

5673439 is an equidigital number, since it uses as much as digits as its factorization.

5673439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784.

The product of its digits is 68040, while the sum is 37.

The square root of 5673439 is about 2381.8981926187. The cubic root of 5673439 is about 178.3537027033.

The spelling of 5673439 in words is "five million, six hundred seventy-three thousand, four hundred thirty-nine".