68510875 has 16 divisors (see below), whose sum is σ = 86070816. Its totient is φ = 54444000.

The previous prime is 68510873. The next prime is 68510879. The reversal of 68510875 is 57801586.

It is not a de Polignac number, because 68510875 - 2¹ = 68510873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68510873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17880 + ... + 21370.

It is an arithmetic number, because the mean of its divisors is an integer number (5379426).

Almost surely, 2^68510875 is an apocalyptic number.

68510875 is a deficient number, since it is larger than the sum of its proper divisors (17559941).

68510875 is a wasteful number, since it uses less digits than its factorization.

68510875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 68510875 is about 8277.1296353265. The cubic root of 68510875 is about 409.1851255125.

The spelling of 68510875 in words is "sixty-eight million, five hundred ten thousand, eight hundred seventy-five".