172907334 has 48 divisors (see below), whose sum is σ = 396564480. Its totient is φ = 54295920.

The previous prime is 172907297. The next prime is 172907351. The reversal of 172907334 is 433709271.

172907334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63999 + ... + 66645.

It is an arithmetic number, because the mean of its divisors is an integer number (8261760).

Almost surely, 2^172907334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172907334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198282240).

172907334 is an abundant number, since it is smaller than the sum of its proper divisors (223657146).

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

172907334 is a wasteful number, since it uses less digits than its factorization.

172907334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 172907334 is about 13149.4233333633. The cubic root of 172907334 is about 557.1059603066.

The spelling of 172907334 in words is "one hundred seventy-two million, nine hundred seven thousand, three hundred thirty-four".