5781673 has 4 divisors (see below), whose sum is σ = 5860948. Its totient is φ = 5702400.

The previous prime is 5781661. The next prime is 5781689. The reversal of 5781673 is 3761875.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4173849 + 1607824 = 2043^2 + 1268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5781673 is a prime.

It is a d-powerful number, because it can be written as 5³ + 7⁴ + 8 + 1 + 6⁵ + 7⁸ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5781613) 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, 39528 + ... + 39673.

It is an arithmetic number, because the mean of its divisors is an integer number (1465237).

Almost surely, 2^5781673 is an apocalyptic number.

It is an amenable number.

5781673 is a deficient number, since it is larger than the sum of its proper divisors (79275).

5781673 is an equidigital number, since it uses as much as digits as its factorization.

5781673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79274.

The product of its digits is 35280, while the sum is 37.

The square root of 5781673 is about 2404.5109689914. The cubic root of 5781673 is about 179.4807359778.

The spelling of 5781673 in words is "five million, seven hundred eighty-one thousand, six hundred seventy-three".