68733829 has 4 divisors (see below), whose sum is σ = 68918476. Its totient is φ = 68549184.

The previous prime is 68733817. The next prime is 68733853. The reversal of 68733829 is 92833786.

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 55845729 + 12888100 = 7473^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 68733829 - 2⁷ = 68733701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68733809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91764 + ... + 92509.

It is an arithmetic number, because the mean of its divisors is an integer number (17229619).

Almost surely, 2^68733829 is an apocalyptic number.

It is an amenable number.

68733829 is a deficient number, since it is larger than the sum of its proper divisors (184647).

68733829 is a wasteful number, since it uses less digits than its factorization.

68733829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184646.

The product of its digits is 435456, while the sum is 46.

The square root of 68733829 is about 8290.5867705489. The cubic root of 68733829 is about 409.6285134016.

The spelling of 68733829 in words is "sixty-eight million, seven hundred thirty-three thousand, eight hundred twenty-nine".