68324279 has 4 divisors (see below), whose sum is σ = 70528320. Its totient is φ = 66120240.

The previous prime is 68324273. The next prime is 68324281. The reversal of 68324279 is 97242386.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68324279 - 2²⁴ = 51547063 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 (68324273) 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, 1101974 + ... + 1102035.

It is an arithmetic number, because the mean of its divisors is an integer number (17632080).

Almost surely, 2^68324279 is an apocalyptic number.

68324279 is a deficient number, since it is larger than the sum of its proper divisors (2204041).

68324279 is a wasteful number, since it uses less digits than its factorization.

68324279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204040.

The product of its digits is 145152, while the sum is 41.

The square root of 68324279 is about 8265.8501680105. The cubic root of 68324279 is about 408.8133026431.

It can be divided in two parts, 6832 and 4279, that added together give a palindrome (11111).

The spelling of 68324279 in words is "sixty-eight million, three hundred twenty-four thousand, two hundred seventy-nine".