170475278072 has 64 divisors (see below), whose sum is σ = 356229757440. Its totient is φ = 75816390400.

The previous prime is 170475278063. The next prime is 170475278123. The reversal of 170475278072 is 270872574071.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 170475278072.

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, 24858068 + ... + 24864924.

It is an arithmetic number, because the mean of its divisors is an integer number (5566089960).

Almost surely, 2^170475278072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170475278072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178114878720).

170475278072 is an abundant number, since it is smaller than the sum of its proper divisors (185754479368).

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

170475278072 is a wasteful number, since it uses less digits than its factorization.

170475278072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12932 (or 12928 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 50.

The spelling of 170475278072 in words is "one hundred seventy billion, four hundred seventy-five million, two hundred seventy-eight thousand, seventy-two".