173407072 has 72 divisors (see below), whose sum is σ = 381935736. Its totient is φ = 77220864.

The previous prime is 173407009. The next prime is 173407093. The reversal of 173407072 is 270704371.

173407072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×173407072² = 60140025239226368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195943 + ... + 196825.

It is an arithmetic number, because the mean of its divisors is an integer number (5304663).

Almost surely, 2^173407072 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 173407072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190967868).

173407072 is an abundant number, since it is smaller than the sum of its proper divisors (208528664).

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

173407072 is a wasteful number, since it uses less digits than its factorization.

173407072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 173407072 is about 13168.4119012127. The cubic root of 173407072 is about 557.6421612566.

The spelling of 173407072 in words is "one hundred seventy-three million, four hundred seven thousand, seventy-two".