68387575 has 12 divisors (see below), whose sum is σ = 84930328. Its totient is φ = 54626400.

The previous prime is 68387563. The next prime is 68387603. The reversal of 68387575 is 57578386.

It is not a de Polignac number, because 68387575 - 2¹⁹ = 67863287 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 18589 + ... + 21961.

Almost surely, 2^68387575 is an apocalyptic number.

68387575 is a deficient number, since it is larger than the sum of its proper divisors (16542753).

68387575 is a wasteful number, since it uses less digits than its factorization.

68387575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4189 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 68387575 is about 8269.6780469375. The cubic root of 68387575 is about 408.9395060009.

The spelling of 68387575 in words is "sixty-eight million, three hundred eighty-seven thousand, five hundred seventy-five".