172504073 has 8 divisors (see below), whose sum is σ = 197229120. Its totient is φ = 147799440.

The previous prime is 172504063. The next prime is 172504081. The reversal of 172504073 is 370405271.

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 172504073 - 2²⁰ = 171455497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172504063) 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, 24383 + ... + 30651.

It is an arithmetic number, because the mean of its divisors is an integer number (24653640).

Almost surely, 2^172504073 is an apocalyptic number.

It is an amenable number.

172504073 is a deficient number, since it is larger than the sum of its proper divisors (24725047).

172504073 is an equidigital number, since it uses as much as digits as its factorization.

172504073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 172504073 is about 13134.0805921085. The cubic root of 172504073 is about 556.6725220001.

The spelling of 172504073 in words is "one hundred seventy-two million, five hundred four thousand, seventy-three".