68540175 has 120 divisors (see below), whose sum is σ = 147459312. Its totient is φ = 31104000.

The previous prime is 68540119. The next prime is 68540179. The reversal of 68540175 is 57104586.

It is not a de Polignac number, because 68540175 - 2⁶ = 68540111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68540179) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 378585 + ... + 378765.

Almost surely, 2^68540175 is an apocalyptic number.

68540175 is an abundant number, since it is smaller than the sum of its proper divisors (78919137).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68540175 is a wasteful number, since it uses less digits than its factorization.

68540175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 68540175 is about 8278.8993833722. The cubic root of 68540175 is about 409.2434491750.

The spelling of 68540175 in words is "sixty-eight million, five hundred forty thousand, one hundred seventy-five".