67059481 has 2 divisors, whose sum is σ = 67059482. Its totient is φ = 67059480.

The previous prime is 67059463. The next prime is 67059523. The reversal of 67059481 is 18495076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63059481 + 4000000 = 7941^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 67059481 - 2⁵ = 67059449 is a prime.

It is a super-2 number, since 2×67059481² = 8993947983978722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67059401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33529740 + 33529741.

It is an arithmetic number, because the mean of its divisors is an integer number (33529741).

Almost surely, 2^67059481 is an apocalyptic number.

It is an amenable number.

67059481 is a deficient number, since it is larger than the sum of its proper divisors (1).

67059481 is an equidigital number, since it uses as much as digits as its factorization.

67059481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 67059481 is about 8188.9853461830. The cubic root of 67059481 is about 406.2749660081.

The spelling of 67059481 in words is "sixty-seven million, fifty-nine thousand, four hundred eighty-one".