172115634 has 8 divisors (see below), whose sum is σ = 344231280. Its totient is φ = 57371876.

The previous prime is 172115617. The next prime is 172115651. The reversal of 172115634 is 436511271.

It is an interprime number because it is at equal distance from previous prime (172115617) and next prime (172115651).

It is a sphenic number, since it is the product of 3 distinct primes.

172115634 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342964 + ... + 14342975.

It is an arithmetic number, because the mean of its divisors is an integer number (43028910).

Almost surely, 2^172115634 is an apocalyptic number.

172115634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172115634 is a wasteful number, since it uses less digits than its factorization.

172115634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685944.

The product of its digits is 5040, while the sum is 30.

The square root of 172115634 is about 13119.2848128242. The cubic root of 172115634 is about 556.2543756925.

The spelling of 172115634 in words is "one hundred seventy-two million, one hundred fifteen thousand, six hundred thirty-four".