68872329 has 16 divisors (see below), whose sum is σ = 102235200. Its totient is φ = 45823968.

The previous prime is 68872319. The next prime is 68872337. The reversal of 68872329 is 92327886.

It is not a de Polignac number, because 68872329 - 2⁴ = 68872313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68872319) 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 15 ways as a sum of consecutive naturals, for example, 13122 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (6389700).

Almost surely, 2^68872329 is an apocalyptic number.

It is an amenable number.

68872329 is a deficient number, since it is larger than the sum of its proper divisors (33362871).

68872329 is a wasteful number, since it uses less digits than its factorization.

68872329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5055 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68872329 is about 8298.9354136540. The cubic root of 68872329 is about 409.9034652758.

It can be divided in two parts, 6887 and 2329, that added together give a square (9216 = 96²).

The spelling of 68872329 in words is "sixty-eight million, eight hundred seventy-two thousand, three hundred twenty-nine".