68281829 has 8 divisors (see below), whose sum is σ = 85130688. Its totient is φ = 53206560.

The previous prime is 68281823. The next prime is 68281831. The reversal of 68281829 is 92818286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68281829 - 2¹² = 68277733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68281829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68281823) 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 7 ways as a sum of consecutive naturals, for example, 443312 + ... + 443465.

It is an arithmetic number, because the mean of its divisors is an integer number (10641336).

Almost surely, 2^68281829 is an apocalyptic number.

It is an amenable number.

68281829 is a deficient number, since it is larger than the sum of its proper divisors (16848859).

68281829 is a wasteful number, since it uses less digits than its factorization.

68281829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886795.

The product of its digits is 110592, while the sum is 44.

The square root of 68281829 is about 8263.2819750992. The cubic root of 68281829 is about 408.7286196176.

The spelling of 68281829 in words is "sixty-eight million, two hundred eighty-one thousand, eight hundred twenty-nine".