68319365 has 4 divisors (see below), whose sum is σ = 81983244. Its totient is φ = 54655488.

The previous prime is 68319359. The next prime is 68319373. The reversal of 68319365 is 56391386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29953729 + 38365636 = 5473^2 + 6194^2 .

It is a cyclic number.

It is not a de Polignac number, because 68319365 - 2⁶ = 68319301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831932 + ... + 6831941.

It is an arithmetic number, because the mean of its divisors is an integer number (20495811).

Almost surely, 2^68319365 is an apocalyptic number.

It is an amenable number.

68319365 is a deficient number, since it is larger than the sum of its proper divisors (13663879).

68319365 is a wasteful number, since it uses less digits than its factorization.

68319365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663878.

The product of its digits is 116640, while the sum is 41.

The square root of 68319365 is about 8265.5529155647. The cubic root of 68319365 is about 408.8035015555.

The spelling of 68319365 in words is "sixty-eight million, three hundred nineteen thousand, three hundred sixty-five".