172433426 has 8 divisors (see below), whose sum is σ = 282163824. Its totient is φ = 78378820.

The previous prime is 172433423. The next prime is 172433447. The reversal of 172433426 is 624334271.

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

It is a junction number, because it is equal to n+sod(n) for n = 172433392 and 172433401.

It is not an unprimeable number, because it can be changed into a prime (172433423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918920 + ... + 3918963.

It is an arithmetic number, because the mean of its divisors is an integer number (35270478).

Almost surely, 2^172433426 is an apocalyptic number.

172433426 is a deficient number, since it is larger than the sum of its proper divisors (109730398).

172433426 is a wasteful number, since it uses less digits than its factorization.

172433426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837896.

The product of its digits is 24192, while the sum is 32.

The square root of 172433426 is about 13131.3908631188. The cubic root of 172433426 is about 556.5965187443.

Adding to 172433426 its reverse (624334271), we get a palindrome (796767697).

It can be divided in two parts, 1 and 72433426, that added together give a palindrome (72433427).

The spelling of 172433426 in words is "one hundred seventy-two million, four hundred thirty-three thousand, four hundred twenty-six".