68706313 has 16 divisors (see below), whose sum is σ = 78494976. Its totient is φ = 59653440.

The previous prime is 68706277. The next prime is 68706331. The reversal of 68706313 is 31360786.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68706313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68706343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16356 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (4905936).

Almost surely, 2^68706313 is an apocalyptic number.

It is an amenable number.

68706313 is a deficient number, since it is larger than the sum of its proper divisors (9788663).

68706313 is a wasteful number, since it uses less digits than its factorization.

68706313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 68706313 is about 8288.9271320238. The cubic root of 68706313 is about 409.5738443362.

The spelling of 68706313 in words is "sixty-eight million, seven hundred six thousand, three hundred thirteen".