68017975 has 12 divisors (see below), whose sum is σ = 86400720. Its totient is φ = 53086400.

The previous prime is 68017949. The next prime is 68017987. The reversal of 68017975 is 57971086.

It is not a de Polignac number, because 68017975 - 2¹⁹ = 67493687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32155 + ... + 34204.

It is an arithmetic number, because the mean of its divisors is an integer number (7200060).

Almost surely, 2^68017975 is an apocalyptic number.

68017975 is a deficient number, since it is larger than the sum of its proper divisors (18382745).

68017975 is a wasteful number, since it uses less digits than its factorization.

68017975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66410 (or 66405 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 68017975 is about 8247.3010736847. The cubic root of 68017975 is about 408.2014716068.

The spelling of 68017975 in words is "sixty-eight million, seventeen thousand, nine hundred seventy-five".