68820734307 has 64 divisors (see below), whose sum is σ = 101725618176. Its totient is φ = 41128456320.

The previous prime is 68820734303. The next prime is 68820734317. The reversal of 68820734307 is 70343702886.

It is not a de Polignac number, because 68820734307 - 2² = 68820734303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68820734303) 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 63 ways as a sum of consecutive naturals, for example, 64741458 + ... + 64742520.

It is an arithmetic number, because the mean of its divisors is an integer number (1589462784).

Almost surely, 2^68820734307 is an apocalyptic number.

68820734307 is a deficient number, since it is larger than the sum of its proper divisors (32904883869).

68820734307 is a wasteful number, since it uses less digits than its factorization.

68820734307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 68820734307 in words is "sixty-eight billion, eight hundred twenty million, seven hundred thirty-four thousand, three hundred seven".