172429099 has 8 divisors (see below), whose sum is σ = 184129920. Its totient is φ = 161112000.

The previous prime is 172429069. The next prime is 172429111. The reversal of 172429099 is 990924271.

172429099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 172429099 - 2²³ = 164040491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172429069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95002 + ... + 96799.

It is an arithmetic number, because the mean of its divisors is an integer number (23016240).

Almost surely, 2^172429099 is an apocalyptic number.

172429099 is a deficient number, since it is larger than the sum of its proper divisors (11700821).

172429099 is a wasteful number, since it uses less digits than its factorization.

172429099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191861.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 172429099 is about 13131.2261042143. The cubic root of 172429099 is about 556.5918630088.

The spelling of 172429099 in words is "one hundred seventy-two million, four hundred twenty-nine thousand, ninety-nine".