4581673 has 4 divisors (see below), whose sum is σ = 4705540. Its totient is φ = 4457808.

The previous prime is 4581671. The next prime is 4581677. The reversal of 4581673 is 3761854.

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 3356224 + 1225449 = 1832^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 4581673 - 2¹ = 4581671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4581671) 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, 61878 + ... + 61951.

It is an arithmetic number, because the mean of its divisors is an integer number (1176385).

Almost surely, 2^4581673 is an apocalyptic number.

It is an amenable number.

4581673 is a deficient number, since it is larger than the sum of its proper divisors (123867).

4581673 is a wasteful number, since it uses less digits than its factorization.

4581673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123866.

The product of its digits is 20160, while the sum is 34.

The square root of 4581673 is about 2140.4842909958. The cubic root of 4581673 is about 166.0891885361.

It can be divided in two parts, 45 and 81673, that added together give a palindrome (81718).

The spelling of 4581673 in words is "four million, five hundred eighty-one thousand, six hundred seventy-three".