172379 has 4 divisors (see below), whose sum is σ = 173376. Its totient is φ = 171384.

The previous prime is 172373. The next prime is 172399. The reversal of 172379 is 973271.

It is a happy number.

172379 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172373) 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, 164 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (43344).

2¹⁷²³⁷⁹ is an apocalyptic number.

172379 is a deficient number, since it is larger than the sum of its proper divisors (997).

172379 is an equidigital number, since it uses as much as digits as its factorization.

172379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its digits is 2646, while the sum is 29.

The square root of 172379 is about 415.1855007102. The cubic root of 172379 is about 55.6537952161.

The spelling of 172379 in words is "one hundred seventy-two thousand, three hundred seventy-nine".