67670479 has 2 divisors, whose sum is σ = 67670480. Its totient is φ = 67670478.

The previous prime is 67670461. The next prime is 67670497. The reversal of 67670479 is 97407676.

Together with next prime (67670497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (67670461) and next prime (67670497).

It is a cyclic number.

It is not a de Polignac number, because 67670479 - 2²¹ = 65573327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67670429) 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, 33835239 + 33835240.

It is an arithmetic number, because the mean of its divisors is an integer number (33835240).

Almost surely, 2^67670479 is an apocalyptic number.

67670479 is a deficient number, since it is larger than the sum of its proper divisors (1).

67670479 is an equidigital number, since it uses as much as digits as its factorization.

67670479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 67670479 is about 8226.2068415522. The cubic root of 67670479 is about 407.5051329851.

The spelling of 67670479 in words is "sixty-seven million, six hundred seventy thousand, four hundred seventy-nine".