673840888134 has 32 divisors (see below), whose sum is σ = 1429936312320. Its totient is φ = 210959709312.

The previous prime is 673840888109. The next prime is 673840888139. The reversal of 673840888134 is 431888048376.

It is a happy number.

673840888134 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673840888139) 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, 6847054 + ... + 6944769.

It is an arithmetic number, because the mean of its divisors is an integer number (44685509760).

Almost surely, 2^673840888134 is an apocalyptic number.

673840888134 is an abundant number, since it is smaller than the sum of its proper divisors (756095424186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673840888134 is a wasteful number, since it uses less digits than its factorization.

673840888134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792324.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 673840888134 in words is "six hundred seventy-three billion, eight hundred forty million, eight hundred eighty-eight thousand, one hundred thirty-four".