172473373 has 4 divisors (see below), whose sum is σ = 172508800. Its totient is φ = 172437948.

The previous prime is 172473349. The next prime is 172473383. The reversal of 172473373 is 373374271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373374271 = 12119 ⋅30809.

It is a cyclic number.

It is not a de Polignac number, because 172473373 - 2⁵ = 172473341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172473383) 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, 8973 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (43127200).

Almost surely, 2^172473373 is an apocalyptic number.

It is an amenable number.

172473373 is a deficient number, since it is larger than the sum of its proper divisors (35427).

172473373 is an equidigital number, since it uses as much as digits as its factorization.

172473373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426.

The product of its digits is 74088, while the sum is 37.

The square root of 172473373 is about 13132.9118248772. The cubic root of 172473373 is about 556.6394969628.

The spelling of 172473373 in words is "one hundred seventy-two million, four hundred seventy-three thousand, three hundred seventy-three".