172950773 has 4 divisors (see below), whose sum is σ = 176972928. Its totient is φ = 168928620.

The previous prime is 172950769. The next prime is 172950779. The reversal of 172950773 is 377059271.

172950773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 377059271 = 10139 ⋅37189.

It is a cyclic number.

It is not a de Polignac number, because 172950773 - 2² = 172950769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172950773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172950779) 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, 2011013 + ... + 2011098.

It is an arithmetic number, because the mean of its divisors is an integer number (44243232).

Almost surely, 2^172950773 is an apocalyptic number.

It is an amenable number.

172950773 is a deficient number, since it is larger than the sum of its proper divisors (4022155).

172950773 is an equidigital number, since it uses as much as digits as its factorization.

172950773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022154.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 172950773 is about 13151.0749750733. The cubic root of 172950773 is about 557.1526097632.

The spelling of 172950773 in words is "one hundred seventy-two million, nine hundred fifty thousand, seven hundred seventy-three".