172172968 has 32 divisors (see below), whose sum is σ = 353374560. Its totient is φ = 77993280.

The previous prime is 172172929. The next prime is 172172999. The reversal of 172172968 is 869271271.

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 7 ways as a sum of consecutive naturals, for example, 23830 + ... + 30202.

It is an arithmetic number, because the mean of its divisors is an integer number (11042955).

Almost surely, 2^172172968 is an apocalyptic number.

It is an amenable number.

172172968 is an abundant number, since it is smaller than the sum of its proper divisors (181201592).

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

172172968 is a wasteful number, since it uses less digits than its factorization.

172172968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697 (or 6693 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 172172968 is about 13121.4697347515. The cubic root of 172172968 is about 556.3161340718.

The spelling of 172172968 in words is "one hundred seventy-two million, one hundred seventy-two thousand, nine hundred sixty-eight".