68119829 has 4 divisors (see below), whose sum is σ = 68138976. Its totient is φ = 68100684.

The previous prime is 68119823. The next prime is 68119837. The reversal of 68119829 is 92891186.

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 a de Polignac number, because none of the positive numbers 2^k-68119829 is a prime.

It is a super-2 number, since 2×68119829² = 9280622205978482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68119829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68119823) 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, 2489 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (17034744).

Almost surely, 2^68119829 is an apocalyptic number.

It is an amenable number.

68119829 is a deficient number, since it is larger than the sum of its proper divisors (19147).

68119829 is a wasteful number, since it uses less digits than its factorization.

68119829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19146.

The product of its digits is 62208, while the sum is 44.

The square root of 68119829 is about 8253.4737535174. The cubic root of 68119829 is about 408.4051247181.

The spelling of 68119829 in words is "sixty-eight million, one hundred nineteen thousand, eight hundred twenty-nine".