172199694 has 8 divisors (see below), whose sum is σ = 344399400. Its totient is φ = 57399896.

The previous prime is 172199663. The next prime is 172199707. The reversal of 172199694 is 496991271.

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

172199694 is an admirable number.

It is a super-2 number, since 2×172199694² = 59305469227387272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 14349969 + ... + 14349980.

It is an arithmetic number, because the mean of its divisors is an integer number (43049925).

Almost surely, 2^172199694 is an apocalyptic number.

172199694 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.

172199694 is a wasteful number, since it uses less digits than its factorization.

172199694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28699954.

The product of its digits is 244944, while the sum is 48.

The square root of 172199694 is about 13122.4881024903. The cubic root of 172199694 is about 556.3449177922.

The spelling of 172199694 in words is "one hundred seventy-two million, one hundred ninety-nine thousand, six hundred ninety-four".