68008475 has 12 divisors (see below), whose sum is σ = 84872544. Its totient is φ = 54057120.

The previous prime is 68008471. The next prime is 68008489. The reversal of 68008475 is 57480086.

It is not a de Polignac number, because 68008475 - 2² = 68008471 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68008471) 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, 4739 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (7072712).

Almost surely, 2^68008475 is an apocalyptic number.

68008475 is a deficient number, since it is larger than the sum of its proper divisors (16864069).

68008475 is a wasteful number, since it uses less digits than its factorization.

68008475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17494 (or 17489 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 68008475 is about 8246.7251075806. The cubic root of 68008475 is about 408.1824663633.

The spelling of 68008475 in words is "sixty-eight million, eight thousand, four hundred seventy-five".