172379303 has 8 divisors (see below), whose sum is σ = 186764688. Its totient is φ = 158465664.

The previous prime is 172379299. The next prime is 172379323. The reversal of 172379303 is 303973271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172379303 - 2² = 172379299 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 (172379323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117176 + ... + 118637.

It is an arithmetic number, because the mean of its divisors is an integer number (23345586).

Almost surely, 2^172379303 is an apocalyptic number.

172379303 is a deficient number, since it is larger than the sum of its proper divisors (14385385).

172379303 is a wasteful number, since it uses less digits than its factorization.

172379303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235873.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 172379303 is about 13129.3298762732. The cubic root of 172379303 is about 556.5382782464.

The spelling of 172379303 in words is "one hundred seventy-two million, three hundred seventy-nine thousand, three hundred three".