172404106 has 24 divisors (see below), whose sum is σ = 313965216. Its totient is φ = 69539520.

The previous prime is 172404103. The next prime is 172404107. The reversal of 172404106 is 601404271.

It is not an unprimeable number, because it can be changed into a prime (172404103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17260 + ... + 25351.

It is an arithmetic number, because the mean of its divisors is an integer number (13081884).

Almost surely, 2^172404106 is an apocalyptic number.

172404106 is a deficient number, since it is larger than the sum of its proper divisors (141561110).

172404106 is a wasteful number, since it uses less digits than its factorization.

172404106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42654 (or 42637 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 172404106 is about 13130.2744068812. The cubic root of 172404106 is about 556.5649696892.

Adding to 172404106 its reverse (601404271), we get a palindrome (773808377).

The spelling of 172404106 in words is "one hundred seventy-two million, four hundred four thousand, one hundred six".