172168734 has 8 divisors (see below), whose sum is σ = 344337480. Its totient is φ = 57389576.

The previous prime is 172168691. The next prime is 172168753. The reversal of 172168734 is 437861271.

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

172168734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 172168692 and 172168701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14347389 + ... + 14347400.

It is an arithmetic number, because the mean of its divisors is an integer number (43042185).

Almost surely, 2^172168734 is an apocalyptic number.

172168734 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.

172168734 is a wasteful number, since it uses less digits than its factorization.

172168734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28694794.

The product of its digits is 56448, while the sum is 39.

The square root of 172168734 is about 13121.3083951258. The cubic root of 172168734 is about 556.3115738092.

The spelling of 172168734 in words is "one hundred seventy-two million, one hundred sixty-eight thousand, seven hundred thirty-four".