68322073 has 4 divisors (see below), whose sum is σ = 68665600. Its totient is φ = 67978548.

The previous prime is 68322061. The next prime is 68322077. The reversal of 68322073 is 37022386.

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 68322073 - 2¹³ = 68313881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68322077) 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, 171465 + ... + 171862.

It is an arithmetic number, because the mean of its divisors is an integer number (17166400).

Almost surely, 2^68322073 is an apocalyptic number.

It is an amenable number.

68322073 is a deficient number, since it is larger than the sum of its proper divisors (343527).

68322073 is a wasteful number, since it uses less digits than its factorization.

68322073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343526.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 68322073 is about 8265.7167263341. The cubic root of 68322073 is about 408.8089027828.

The spelling of 68322073 in words is "sixty-eight million, three hundred twenty-two thousand, seventy-three".