789573 has 4 divisors (see below), whose sum is σ = 1052768. Its totient is φ = 526380.

The previous prime is 789571. The next prime is 789577. The reversal of 789573 is 375987.

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: 375987 = 3 ⋅125329.

It is not a de Polignac number, because 789573 - 2¹ = 789571 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131593 + ... + 131598.

It is an arithmetic number, because the mean of its divisors is an integer number (263192).

2⁷⁸⁹⁵⁷³ is an apocalyptic number.

It is an amenable number.

789573 is a deficient number, since it is larger than the sum of its proper divisors (263195).

789573 is a wasteful number, since it uses less digits than its factorization.

789573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263194.

The product of its digits is 52920, while the sum is 39.

The square root of 789573 is about 888.5792029977. The cubic root of 789573 is about 92.4266962460.

The spelling of 789573 in words is "seven hundred eighty-nine thousand, five hundred seventy-three".