173992047 has 4 divisors (see below), whose sum is σ = 231989400. Its totient is φ = 115994696.

The previous prime is 173992043. The next prime is 173992087. The reversal of 173992047 is 740299371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 173992047 - 2² = 173992043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173992043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28998672 + ... + 28998677.

It is an arithmetic number, because the mean of its divisors is an integer number (57997350).

Almost surely, 2^173992047 is an apocalyptic number.

173992047 is a deficient number, since it is larger than the sum of its proper divisors (57997353).

173992047 is an equidigital number, since it uses as much as digits as its factorization.

173992047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57997352.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 173992047 is about 13190.6044971411. The cubic root of 173992047 is about 558.2685113330.

The spelling of 173992047 in words is "one hundred seventy-three million, nine hundred ninety-two thousand, forty-seven".