68064475 has 12 divisors (see below), whose sum is σ = 88070256. Its totient is φ = 52083680.

The previous prime is 68064473. The next prime is 68064487. The reversal of 68064475 is 57446086.

It is not a de Polignac number, because 68064475 - 2¹ = 68064473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68064473) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 58612 + ... + 59761.

It is an arithmetic number, because the mean of its divisors is an integer number (7339188).

Almost surely, 2^68064475 is an apocalyptic number.

68064475 is a deficient number, since it is larger than the sum of its proper divisors (20005781).

68064475 is a wasteful number, since it uses less digits than its factorization.

68064475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118406 (or 118401 counting only the distinct ones).

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

The square root of 68064475 is about 8250.1196961014. The cubic root of 68064475 is about 408.2944717517.

The spelling of 68064475 in words is "sixty-eight million, sixty-four thousand, four hundred seventy-five".