68035871 has 4 divisors (see below), whose sum is σ = 68253552.
Its totient is φ = 67818192.
The previous prime is 68035823. The next prime is 68035873. The reversal of 68035871 is 17853086.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68035871 - 226 = 927007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68035873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108371 + ... + 108996.
It is an arithmetic number, because the mean of its divisors is an integer number (17063388).
Almost surely, 268035871 is an apocalyptic number.
68035871 is a deficient number, since it is larger than the sum of its proper divisors (217681).
68035871 is a wasteful number, since it uses less digits than its factorization.
68035871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217680.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 68035871 is about 8248.3859633264.
The cubic root of 68035871 is about 408.2372686783.
The spelling of 68035871 in words is "sixty-eight million, thirty-five thousand, eight hundred seventy-one".