67256467 has 2 divisors, whose sum is σ = 67256468. Its totient is φ = 67256466.

The previous prime is 67256459. The next prime is 67256473. The reversal of 67256467 is 76465276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67256467 - 2³ = 67256459 is a prime.

It is not a weakly prime, because it can be changed into another prime (67256407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33628233 + 33628234.

It is an arithmetic number, because the mean of its divisors is an integer number (33628234).

Almost surely, 2^67256467 is an apocalyptic number.

67256467 is a deficient number, since it is larger than the sum of its proper divisors (1).

67256467 is an equidigital number, since it uses as much as digits as its factorization.

67256467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 67256467 is about 8201.0040238985. The cubic root of 67256467 is about 406.6723855537.

The spelling of 67256467 in words is "sixty-seven million, two hundred fifty-six thousand, four hundred sixty-seven".