68345773 has 4 divisors (see below), whose sum is σ = 68370048. Its totient is φ = 68321500.

The previous prime is 68345749. The next prime is 68345789. The reversal of 68345773 is 37754386.

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 68345773 - 2¹⁷ = 68214701 is a prime.

It is a super-2 number, since 2×68345773² = 9342289373935058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68345273) 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, 7261 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (17092512).

Almost surely, 2^68345773 is an apocalyptic number.

It is an amenable number.

68345773 is a deficient number, since it is larger than the sum of its proper divisors (24275).

68345773 is a wasteful number, since it uses less digits than its factorization.

68345773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274.

The product of its digits is 423360, while the sum is 43.

The square root of 68345773 is about 8267.1502345125. The cubic root of 68345773 is about 408.8561674050.

The spelling of 68345773 in words is "sixty-eight million, three hundred forty-five thousand, seven hundred seventy-three".