68896307 has 2 divisors, whose sum is σ = 68896308. Its totient is φ = 68896306.

The previous prime is 68896283. The next prime is 68896309. The reversal of 68896307 is 70369886.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68896307 is a prime.

It is a super-2 number, since 2×68896307² = 9493402236476498, which contains 22 as substring.

Together with 68896309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68896309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34448153 + 34448154.

It is an arithmetic number, because the mean of its divisors is an integer number (34448154).

Almost surely, 2^68896307 is an apocalyptic number.

68896307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68896307 is an equidigital number, since it uses as much as digits as its factorization.

68896307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 68896307 is about 8300.3799310634. The cubic root of 68896307 is about 409.9510292493.

The spelling of 68896307 in words is "sixty-eight million, eight hundred ninety-six thousand, three hundred seven".