67468889 has 2 divisors, whose sum is σ = 67468890. Its totient is φ = 67468888.

The previous prime is 67468883. The next prime is 67468901. The reversal of 67468889 is 98886476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65739664 + 1729225 = 8108^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 67468889 - 2⁸ = 67468633 is a prime.

It is not a weakly prime, because it can be changed into another prime (67468883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33734444 + 33734445.

It is an arithmetic number, because the mean of its divisors is an integer number (33734445).

Almost surely, 2^67468889 is an apocalyptic number.

It is an amenable number.

67468889 is a deficient number, since it is larger than the sum of its proper divisors (1).

67468889 is an equidigital number, since it uses as much as digits as its factorization.

67468889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 56.

The square root of 67468889 is about 8213.9447891984. The cubic root of 67468889 is about 407.1000786196.

The spelling of 67468889 in words is "sixty-seven million, four hundred sixty-eight thousand, eight hundred eighty-nine".