68049717 has 4 divisors (see below), whose sum is σ = 90732960. Its totient is φ = 45366476.

The previous prime is 68049713. The next prime is 68049719. The reversal of 68049717 is 71794086.

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 68049717 - 2² = 68049713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68049713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11341617 + ... + 11341622.

It is an arithmetic number, because the mean of its divisors is an integer number (22683240).

Almost surely, 2^68049717 is an apocalyptic number.

It is an amenable number.

68049717 is a deficient number, since it is larger than the sum of its proper divisors (22683243).

68049717 is a wasteful number, since it uses less digits than its factorization.

68049717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683242.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 68049717 is about 8249.2252363480. The cubic root of 68049717 is about 408.2649602952.

The spelling of 68049717 in words is "sixty-eight million, forty-nine thousand, seven hundred seventeen".