68614751 has 2 divisors, whose sum is σ = 68614752. Its totient is φ = 68614750.

The previous prime is 68614729. The next prime is 68614753. The reversal of 68614751 is 15741686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68614751 - 2¹⁴ = 68598367 is a prime.

It is a Sophie Germain prime.

Together with 68614753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68614753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34307375 + 34307376.

It is an arithmetic number, because the mean of its divisors is an integer number (34307376).

Almost surely, 2^68614751 is an apocalyptic number.

68614751 is a deficient number, since it is larger than the sum of its proper divisors (1).

68614751 is an equidigital number, since it uses as much as digits as its factorization.

68614751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 68614751 is about 8283.4021392179. The cubic root of 68614751 is about 409.3918228698.

The spelling of 68614751 in words is "sixty-eight million, six hundred fourteen thousand, seven hundred fifty-one".