68745347 has 16 divisors (see below), whose sum is σ = 77552640. Its totient is φ = 60396000.

The previous prime is 68745343. The next prime is 68745359. The reversal of 68745347 is 74354786.

It is a cyclic number.

It is not a de Polignac number, because 68745347 - 2² = 68745343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68745298 and 68745307.

It is not an unprimeable number, because it can be changed into a prime (68745343) 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 15 ways as a sum of consecutive naturals, for example, 47054 + ... + 48492.

It is an arithmetic number, because the mean of its divisors is an integer number (4847040).

Almost surely, 2^68745347 is an apocalyptic number.

68745347 is a deficient number, since it is larger than the sum of its proper divisors (8807293).

68745347 is a wasteful number, since it uses less digits than its factorization.

68745347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its digits is 564480, while the sum is 44.

The square root of 68745347 is about 8291.2813846836. The cubic root of 68745347 is about 409.6513931479.

It can be divided in two parts, 6874 and 5347, that added together give a palindrome (12221).

The spelling of 68745347 in words is "sixty-eight million, seven hundred forty-five thousand, three hundred forty-seven".