68351305 has 32 divisors (see below), whose sum is σ = 97106688. Its totient is φ = 45619200.

The previous prime is 68351299. The next prime is 68351357. The reversal of 68351305 is 50315386.

It is not a de Polignac number, because 68351305 - 2⁷ = 68351177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37444 + ... + 39226.

It is an arithmetic number, because the mean of its divisors is an integer number (3034584).

Almost surely, 2^68351305 is an apocalyptic number.

It is an amenable number.

68351305 is a deficient number, since it is larger than the sum of its proper divisors (28755383).

68351305 is a wasteful number, since it uses less digits than its factorization.

68351305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857.

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

The square root of 68351305 is about 8267.4848049452. The cubic root of 68351305 is about 408.8671982325.

The spelling of 68351305 in words is "sixty-eight million, three hundred fifty-one thousand, three hundred five".