68347315 has 4 divisors (see below), whose sum is σ = 82016784. Its totient is φ = 54677848.

The previous prime is 68347309. The next prime is 68347319. The reversal of 68347315 is 51374386.

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 68347315 - 2⁷ = 68347187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68347319) 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, 6834727 + ... + 6834736.

It is an arithmetic number, because the mean of its divisors is an integer number (20504196).

Almost surely, 2^68347315 is an apocalyptic number.

68347315 is a deficient number, since it is larger than the sum of its proper divisors (13669469).

68347315 is a wasteful number, since it uses less digits than its factorization.

68347315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13669468.

The product of its digits is 60480, while the sum is 37.

The square root of 68347315 is about 8267.2434946601. The cubic root of 68347315 is about 408.8592422183.

The spelling of 68347315 in words is "sixty-eight million, three hundred forty-seven thousand, three hundred fifteen".