68064745 has 24 divisors (see below), whose sum is σ = 98535744. Its totient is φ = 44208288.

The previous prime is 68064739. The next prime is 68064757. The reversal of 68064745 is 54746086.

It is a de Polignac number, because none of the positive numbers 2^k-68064745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68064698 and 68064707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9942 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (4105656).

Almost surely, 2^68064745 is an apocalyptic number.

It is an amenable number.

68064745 is a deficient number, since it is larger than the sum of its proper divisors (30470999).

68064745 is a wasteful number, since it uses less digits than its factorization.

68064745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 68064745 is about 8250.1360594841. The cubic root of 68064745 is about 408.2950116288.

The spelling of 68064745 in words is "sixty-eight million, sixty-four thousand, seven hundred forty-five".