68319069 has 16 divisors (see below), whose sum is σ = 112113792. Its totient is φ = 36036288.

The previous prime is 68319049. The next prime is 68319077. The reversal of 68319069 is 96091386.

It is not a de Polignac number, because 68319069 - 2⁷ = 68318941 is a prime.

It is a super-2 number, since 2×68319069² = 9334990378053522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68319069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68319019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124854 + ... + 125399.

It is an arithmetic number, because the mean of its divisors is an integer number (7007112).

Almost surely, 2^68319069 is an apocalyptic number.

It is an amenable number.

68319069 is a deficient number, since it is larger than the sum of its proper divisors (43794723).

68319069 is a wasteful number, since it uses less digits than its factorization.

68319069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250276.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 68319069 is about 8265.5350099071. The cubic root of 68319069 is about 408.8029111616.

The spelling of 68319069 in words is "sixty-eight million, three hundred nineteen thousand, sixty-nine".