68396971 has 2 divisors, whose sum is σ = 68396972. Its totient is φ = 68396970.

The previous prime is 68396959. The next prime is 68396983. The reversal of 68396971 is 17969386.

It is a balanced prime because it is at equal distance from previous prime (68396959) and next prime (68396983).

It is a cyclic number.

It is not a de Polignac number, because 68396971 - 2⁹ = 68396459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68396071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34198485 + 34198486.

It is an arithmetic number, because the mean of its divisors is an integer number (34198486).

Almost surely, 2^68396971 is an apocalyptic number.

68396971 is a deficient number, since it is larger than the sum of its proper divisors (1).

68396971 is an equidigital number, since it uses as much as digits as its factorization.

68396971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 68396971 is about 8270.2461269300. The cubic root of 68396971 is about 408.9582336700.

The spelling of 68396971 in words is "sixty-eight million, three hundred ninety-six thousand, nine hundred seventy-one".