172373671 has 8 divisors (see below), whose sum is σ = 179339264. Its totient is φ = 165495960.

The previous prime is 172373629. The next prime is 172373689. The reversal of 172373671 is 176373271.

172373671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172373671 - 2¹¹ = 172371623 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 172373671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172376671) 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, 17955 + ... + 25828.

It is an arithmetic number, because the mean of its divisors is an integer number (22417408).

Almost surely, 2^172373671 is an apocalyptic number.

172373671 is a deficient number, since it is larger than the sum of its proper divisors (6965593).

172373671 is a wasteful number, since it uses less digits than its factorization.

172373671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43941.

The product of its digits is 37044, while the sum is 37.

The square root of 172373671 is about 13129.1153928968. The cubic root of 172373671 is about 556.5322170823.

The spelling of 172373671 in words is "one hundred seventy-two million, three hundred seventy-three thousand, six hundred seventy-one".