68799329 has 4 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 68257476.

The previous prime is 68799299. The next prime is 68799337. The reversal of 68799329 is 92399786.

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 not a de Polignac number, because 68799329 - 2¹⁶ = 68733793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68799349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270737 + ... + 270990.

It is an arithmetic number, because the mean of its divisors is an integer number (17335296).

Almost surely, 2^68799329 is an apocalyptic number.

It is an amenable number.

68799329 is a deficient number, since it is larger than the sum of its proper divisors (541855).

68799329 is a wasteful number, since it uses less digits than its factorization.

68799329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541854.

The product of its digits is 1469664, while the sum is 53.

The square root of 68799329 is about 8294.5360931158. The cubic root of 68799329 is about 409.7585907825.

The spelling of 68799329 in words is "sixty-eight million, seven hundred ninety-nine thousand, three hundred twenty-nine".