172115334 has 16 divisors (see below), whose sum is σ = 382478640. Its totient is φ = 57371760.

The previous prime is 172115329. The next prime is 172115351. The reversal of 172115334 is 433511271.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172115298 and 172115307.

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, 1593607 + ... + 1593714.

It is an arithmetic number, because the mean of its divisors is an integer number (23904915).

Almost surely, 2^172115334 is an apocalyptic number.

172115334 is an abundant number, since it is smaller than the sum of its proper divisors (210363306).

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

172115334 is a wasteful number, since it uses less digits than its factorization.

172115334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187332 (or 3187326 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 172115334 is about 13119.2733792691. The cubic root of 172115334 is about 556.2540525059.

The spelling of 172115334 in words is "one hundred seventy-two million, one hundred fifteen thousand, three hundred thirty-four".