67098769 has 2 divisors, whose sum is σ = 67098770. Its totient is φ = 67098768.

The previous prime is 67098761. The next prime is 67098793. The reversal of 67098769 is 96789076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 18378369 = 6980^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 67098769 - 2³ = 67098761 is a prime.

It is a super-2 number, since 2×67098769² = 9004489602630722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (67098761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33549384 + 33549385.

It is an arithmetic number, because the mean of its divisors is an integer number (33549385).

Almost surely, 2^67098769 is an apocalyptic number.

It is an amenable number.

67098769 is a deficient number, since it is larger than the sum of its proper divisors (1).

67098769 is an equidigital number, since it uses as much as digits as its factorization.

67098769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 67098769 is about 8191.3838269245. The cubic root of 67098769 is about 406.3542916778.

The spelling of 67098769 in words is "sixty-seven million, ninety-eight thousand, seven hundred sixty-nine".