172709070336 has 480 divisors, whose sum is σ = 565841596320. Its totient is φ = 50233344000.

The previous prime is 172709070319. The next prime is 172709070341. The reversal of 172709070336 is 633070907271.

It is a junction number, because it is equal to n+sod(n) for n = 172709070291 and 172709070300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430695736 + ... + 430696136.

It is an arithmetic number, because the mean of its divisors is an integer number (1178836659).

Almost surely, 2^172709070336 is an apocalyptic number.

172709070336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172709070336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282920798160).

172709070336 is an abundant number, since it is smaller than the sum of its proper divisors (393132525984).

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

172709070336 is a wasteful number, since it uses less digits than its factorization.

172709070336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The spelling of 172709070336 in words is "one hundred seventy-two billion, seven hundred nine million, seventy thousand, three hundred thirty-six".