68711475 has 48 divisors (see below), whose sum is σ = 132531200. Its totient is φ = 31399200.

The previous prime is 68711473. The next prime is 68711491. The reversal of 68711475 is 57411786.

It is not a de Polignac number, because 68711475 - 2¹ = 68711473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68711473) 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 47 ways as a sum of consecutive naturals, for example, 24390 + ... + 27060.

Almost surely, 2^68711475 is an apocalyptic number.

68711475 is a deficient number, since it is larger than the sum of its proper divisors (63819725).

68711475 is a wasteful number, since it uses less digits than its factorization.

68711475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2686 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 68711475 is about 8289.2385054358. The cubic root of 68711475 is about 409.5841013618.

The spelling of 68711475 in words is "sixty-eight million, seven hundred eleven thousand, four hundred seventy-five".