68318335 has 4 divisors (see below), whose sum is σ = 81982008. Its totient is φ = 54654664.

The previous prime is 68318329. The next prime is 68318339. The reversal of 68318335 is 53381386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53381386 = 2 ⋅26690693.

It is a cyclic number.

It is not a de Polignac number, because 68318335 - 2⁷ = 68318207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68318294 and 68318303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68318339) 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, 6831829 + ... + 6831838.

It is an arithmetic number, because the mean of its divisors is an integer number (20495502).

Almost surely, 2^68318335 is an apocalyptic number.

68318335 is a deficient number, since it is larger than the sum of its proper divisors (13663673).

68318335 is a wasteful number, since it uses less digits than its factorization.

68318335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663672.

The product of its digits is 51840, while the sum is 37.

The square root of 68318335 is about 8265.4906085483. The cubic root of 68318335 is about 408.8014471369.

The spelling of 68318335 in words is "sixty-eight million, three hundred eighteen thousand, three hundred thirty-five".