68821295 has 16 divisors (see below), whose sum is σ = 86430240. Its totient is φ = 52550784.

The previous prime is 68821289. The next prime is 68821309. The reversal of 68821295 is 59212886.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68821295 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 6296 + ... + 13314.

It is an arithmetic number, because the mean of its divisors is an integer number (5401890).

Almost surely, 2^68821295 is an apocalyptic number.

68821295 is a deficient number, since it is larger than the sum of its proper divisors (17608945).

68821295 is a wasteful number, since it uses less digits than its factorization.

68821295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its digits is 69120, while the sum is 41.

The square root of 68821295 is about 8295.8601121282. The cubic root of 68821295 is about 409.8021948874.

The spelling of 68821295 in words is "sixty-eight million, eight hundred twenty-one thousand, two hundred ninety-five".