68121467 has 2 divisors, whose sum is σ = 68121468. Its totient is φ = 68121466.

The previous prime is 68121457. The next prime is 68121497. The reversal of 68121467 is 76412186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68121467 - 2¹⁰ = 68120443 is a prime.

It is not a weakly prime, because it can be changed into another prime (68121407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34060733 + 34060734.

It is an arithmetic number, because the mean of its divisors is an integer number (34060734).

Almost surely, 2^68121467 is an apocalyptic number.

68121467 is a deficient number, since it is larger than the sum of its proper divisors (1).

68121467 is an equidigital number, since it uses as much as digits as its factorization.

68121467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 68121467 is about 8253.5729838658. The cubic root of 68121467 is about 408.4083981763.

The spelling of 68121467 in words is "sixty-eight million, one hundred twenty-one thousand, four hundred sixty-seven".