173372369 has 2 divisors, whose sum is σ = 173372370. Its totient is φ = 173372368.

The previous prime is 173372333. The next prime is 173372387. The reversal of 173372369 is 963273371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169312144 + 4060225 = 13012^2 + 2015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173372369 is a prime.

It is a super-2 number, since 2×173372369² = 60115956665344322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (173372389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86686184 + 86686185.

It is an arithmetic number, because the mean of its divisors is an integer number (86686185).

Almost surely, 2^173372369 is an apocalyptic number.

It is an amenable number.

173372369 is a deficient number, since it is larger than the sum of its proper divisors (1).

173372369 is an equidigital number, since it uses as much as digits as its factorization.

173372369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 41.

The square root of 173372369 is about 13167.0941744942. The cubic root of 173372369 is about 557.6049594925.

The spelling of 173372369 in words is "one hundred seventy-three million, three hundred seventy-two thousand, three hundred sixty-nine".