173394417202272 has 120 divisors (see below), whose sum is σ = 582797902324176. Its totient is φ = 49541262052608.

The previous prime is 173394417202271. The next prime is 173394417202277. The reversal of 173394417202272 is 272202714493371.

173394417202272 is a `hidden beast` number, since 1 + 7 + 3 + 394 + 4 + 1 + 7 + 20 + 227 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173394417202271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4778267163 + ... + 4778303450.

Almost surely, 2^{173394417202272} is an apocalyptic number.

173394417202272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173394417202272 is an abundant number, since it is smaller than the sum of its proper divisors (409403485121904).

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

173394417202272 is an equidigital number, since it uses as much as digits as its factorization.

173394417202272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556570642 (or 9556570625 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 173394417202272 in words is "one hundred seventy-three trillion, three hundred ninety-four billion, four hundred seventeen million, two hundred two thousand, two hundred seventy-two".