68421467 has 2 divisors, whose sum is σ = 68421468. Its totient is φ = 68421466.

The previous prime is 68421461. The next prime is 68421511. The reversal of 68421467 is 76412486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68421467 - 2⁸ = 68421211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68421467.

It is not a weakly prime, because it can be changed into another prime (68421461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34210733 + 34210734.

It is an arithmetic number, because the mean of its divisors is an integer number (34210734).

Almost surely, 2^68421467 is an apocalyptic number.

68421467 is a deficient number, since it is larger than the sum of its proper divisors (1).

68421467 is an equidigital number, since it uses as much as digits as its factorization.

68421467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 68421467 is about 8271.7269659969. The cubic root of 68421467 is about 409.0070498921.

The spelling of 68421467 in words is "sixty-eight million, four hundred twenty-one thousand, four hundred sixty-seven".