578673 has 12 divisors (see below), whose sum is σ = 844740. Its totient is φ = 381696.

The previous prime is 578659. The next prime is 578687. The reversal of 578673 is 376875.

It is an interprime number because it is at equal distance from previous prime (578659) and next prime (578687).

It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 535824 = 207^2 + 732^2 .

It is not a de Polignac number, because 578673 - 2⁶ = 578609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (70395).

2⁵⁷⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

578673 is a deficient number, since it is larger than the sum of its proper divisors (266067).

578673 is a wasteful number, since it uses less digits than its factorization.

578673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 685 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 578673 is about 760.7055935117. The cubic root of 578673 is about 83.3318595295.

The spelling of 578673 in words is "five hundred seventy-eight thousand, six hundred seventy-three".