673556343 has 16 divisors (see below), whose sum is σ = 923805696. Its totient is φ = 436282560.

The previous prime is 673556341. The next prime is 673556353. The reversal of 673556343 is 343655376.

It is not a de Polignac number, because 673556343 - 2¹ = 673556341 is a prime.

It is a super-3 number, since 3×673556343³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673556295 and 673556304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673556341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10971 + ... + 38307.

It is an arithmetic number, because the mean of its divisors is an integer number (57737856).

Almost surely, 2^673556343 is an apocalyptic number.

673556343 is a deficient number, since it is larger than the sum of its proper divisors (250249353).

673556343 is a wasteful number, since it uses less digits than its factorization.

673556343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27574.

The product of its digits is 680400, while the sum is 42.

The square root of 673556343 is about 25952.9640503739. The cubic root of 673556343 is about 876.5795004745.

The spelling of 673556343 in words is "six hundred seventy-three million, five hundred fifty-six thousand, three hundred forty-three".