68056971 has 4 divisors (see below), whose sum is σ = 90742632. Its totient is φ = 45371312.

The previous prime is 68056957. The next prime is 68056973. The reversal of 68056971 is 17965086.

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 68056971 - 2⁹ = 68056459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68056973) 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, 11342826 + ... + 11342831.

It is an arithmetic number, because the mean of its divisors is an integer number (22685658).

Almost surely, 2^68056971 is an apocalyptic number.

68056971 is a deficient number, since it is larger than the sum of its proper divisors (22685661).

68056971 is a wasteful number, since it uses less digits than its factorization.

68056971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22685660.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 68056971 is about 8249.6649022854. The cubic root of 68056971 is about 408.2794665951.

The spelling of 68056971 in words is "sixty-eight million, fifty-six thousand, nine hundred seventy-one".