673537255 has 4 divisors (see below), whose sum is σ = 808244712. Its totient is φ = 538829800.

The previous prime is 673537247. The next prime is 673537259. The reversal of 673537255 is 552735376.

673537255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 673537255 - 2³ = 673537247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673537259) 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, 67353721 + ... + 67353730.

It is an arithmetic number, because the mean of its divisors is an integer number (202061178).

Almost surely, 2^673537255 is an apocalyptic number.

673537255 is a deficient number, since it is larger than the sum of its proper divisors (134707457).

673537255 is a wasteful number, since it uses less digits than its factorization.

673537255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134707456.

The product of its digits is 661500, while the sum is 43.

The square root of 673537255 is about 25952.5963055722. The cubic root of 673537255 is about 876.5712198965.

The spelling of 673537255 in words is "six hundred seventy-three million, five hundred thirty-seven thousand, two hundred fifty-five".