172256934 has 32 divisors (see below), whose sum is σ = 350853120. Its totient is φ = 56369600.

The previous prime is 172256921. The next prime is 172256947. The reversal of 172256934 is 439652271.

It is an interprime number because it is at equal distance from previous prime (172256921) and next prime (172256947).

It is a super-3 number, since 3×172256934³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 172256892 and 172256901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118987 + ... + 120425.

It is an arithmetic number, because the mean of its divisors is an integer number (10964160).

Almost surely, 2^172256934 is an apocalyptic number.

172256934 is an abundant number, since it is smaller than the sum of its proper divisors (178596186).

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

172256934 is a wasteful number, since it uses less digits than its factorization.

172256934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 90720, while the sum is 39.

The square root of 172256934 is about 13124.6689101097. The cubic root of 172256934 is about 556.4065548651.

The spelling of 172256934 in words is "one hundred seventy-two million, two hundred fifty-six thousand, nine hundred thirty-four".