68944173 has 4 divisors (see below), whose sum is σ = 91925568. Its totient is φ = 45962780.

The previous prime is 68944157. The next prime is 68944181. The reversal of 68944173 is 37144986.

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 a cyclic number.

It is not a de Polignac number, because 68944173 - 2⁴ = 68944157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68944123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11490693 + ... + 11490698.

It is an arithmetic number, because the mean of its divisors is an integer number (22981392).

Almost surely, 2^68944173 is an apocalyptic number.

It is an amenable number.

68944173 is a deficient number, since it is larger than the sum of its proper divisors (22981395).

68944173 is a wasteful number, since it uses less digits than its factorization.

68944173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981394.

The product of its digits is 145152, while the sum is 42.

The square root of 68944173 is about 8303.2627924208. The cubic root of 68944173 is about 410.0459456739.

The spelling of 68944173 in words is "sixty-eight million, nine hundred forty-four thousand, one hundred seventy-three".