68680271 has 4 divisors (see below), whose sum is σ = 74923944. Its totient is φ = 62436600.

The previous prime is 68680267. The next prime is 68680279. The reversal of 68680271 is 17208686.

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 68680271 - 2² = 68680267 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 (68680279) 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, 3121820 + ... + 3121841.

It is an arithmetic number, because the mean of its divisors is an integer number (18730986).

Almost surely, 2^68680271 is an apocalyptic number.

68680271 is a deficient number, since it is larger than the sum of its proper divisors (6243673).

68680271 is a wasteful number, since it uses less digits than its factorization.

68680271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243672.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 68680271 is about 8287.3560922649. The cubic root of 68680271 is about 409.5220903829.

The spelling of 68680271 in words is "sixty-eight million, six hundred eighty thousand, two hundred seventy-one".