68347173 has 4 divisors (see below), whose sum is σ = 91129568. Its totient is φ = 45564780.

The previous prime is 68347159. The next prime is 68347183. The reversal of 68347173 is 37174386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68347173 - 2⁶ = 68347109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68347133) 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 in 3 ways as a sum of consecutive naturals, for example, 11391193 + ... + 11391198.

It is an arithmetic number, because the mean of its divisors is an integer number (22782392).

Almost surely, 2^68347173 is an apocalyptic number.

It is an amenable number.

68347173 is a deficient number, since it is larger than the sum of its proper divisors (22782395).

68347173 is a wasteful number, since it uses less digits than its factorization.

68347173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782394.

The product of its digits is 84672, while the sum is 39.

The square root of 68347173 is about 8267.2349065452. The cubic root of 68347173 is about 408.8589590662.

The spelling of 68347173 in words is "sixty-eight million, three hundred forty-seven thousand, one hundred seventy-three".