173206711420 has 24 divisors (see below), whose sum is σ = 363750584400. Its totient is φ = 69279543552.

The previous prime is 173206711397. The next prime is 173206711453. The reversal of 173206711420 is 24117602371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284596 + ... + 653764.

It is an arithmetic number, because the mean of its divisors is an integer number (15156274350).

Almost surely, 2^173206711420 is an apocalyptic number.

173206711420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173206711420 is an abundant number, since it is smaller than the sum of its proper divisors (190543872980).

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

173206711420 is a wasteful number, since it uses less digits than its factorization.

173206711420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392637 (or 392635 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 173206711420 in words is "one hundred seventy-three billion, two hundred six million, seven hundred eleven thousand, four hundred twenty".