673722388735 has 16 divisors (see below), whose sum is σ = 882589906080. Its totient is φ = 489632112640.

The previous prime is 673722388721. The next prime is 673722388763. The reversal of 673722388735 is 537883227376.

It is a de Polignac number, because none of the positive numbers 2^k-673722388735 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269382 + ... + 4424371.

It is an arithmetic number, because the mean of its divisors is an integer number (55161869130).

Almost surely, 2^673722388735 is an apocalyptic number.

673722388735 is a deficient number, since it is larger than the sum of its proper divisors (208867517345).

673722388735 is a wasteful number, since it uses less digits than its factorization.

673722388735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695178.

The product of its digits is 71124480, while the sum is 61.

The spelling of 673722388735 in words is "six hundred seventy-three billion, seven hundred twenty-two million, three hundred eighty-eight thousand, seven hundred thirty-five".