172925673 has 4 divisors (see below), whose sum is σ = 230567568. Its totient is φ = 115283780.

The previous prime is 172925617. The next prime is 172925677. The reversal of 172925673 is 376529271.

172925673 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.

It is a cyclic number.

It is not a de Polignac number, because 172925673 - 2²² = 168731369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172925677) 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, 28820943 + ... + 28820948.

It is an arithmetic number, because the mean of its divisors is an integer number (57641892).

Almost surely, 2^172925673 is an apocalyptic number.

It is an amenable number.

172925673 is a deficient number, since it is larger than the sum of its proper divisors (57641895).

172925673 is an equidigital number, since it uses as much as digits as its factorization.

172925673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57641894.

The product of its digits is 158760, while the sum is 42.

The square root of 172925673 is about 13150.1206458344. The cubic root of 172925673 is about 557.1256556444.

The spelling of 172925673 in words is "one hundred seventy-two million, nine hundred twenty-five thousand, six hundred seventy-three".