73173379 has 2 divisors, whose sum is σ = 73173380. Its totient is φ = 73173378.

The previous prime is 73173319. The next prime is 73173403. The reversal of 73173379 is 97337137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73173379 - 2⁷ = 73173251 is a prime.

It is not a weakly prime, because it can be changed into another prime (73173319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36586689 + 36586690.

It is an arithmetic number, because the mean of its divisors is an integer number (36586690).

Almost surely, 2^73173379 is an apocalyptic number.

73173379 is a deficient number, since it is larger than the sum of its proper divisors (1).

73173379 is an equidigital number, since it uses as much as digits as its factorization.

73173379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83349, while the sum is 40.

The square root of 73173379 is about 8554.1439665229. The cubic root of 73173379 is about 418.2645300234.

The spelling of 73173379 in words is "seventy-three million, one hundred seventy-three thousand, three hundred seventy-nine".