68310355 has 8 divisors (see below), whose sum is σ = 82042992. Its totient is φ = 54601248.

The previous prime is 68310353. The next prime is 68310371. The reversal of 68310355 is 55301386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68310355 - 2¹ = 68310353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68310353) 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 7 ways as a sum of consecutive naturals, for example, 1309 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (10255374).

Almost surely, 2^68310355 is an apocalyptic number.

68310355 is a deficient number, since it is larger than the sum of its proper divisors (13732637).

68310355 is a wasteful number, since it uses less digits than its factorization.

68310355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 68310355 is about 8265.0078644851. The cubic root of 68310355 is about 408.7855296794.

The spelling of 68310355 in words is "sixty-eight million, three hundred ten thousand, three hundred fifty-five".