67876481 has 2 divisors, whose sum is σ = 67876482. Its totient is φ = 67876480.

The previous prime is 67876451. The next prime is 67876499. The reversal of 67876481 is 18467876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 13249600 = 7391^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 67876481 - 2²⁶ = 767617 is a prime.

It is a super-2 number, since 2×67876481² = 9214433345886722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67876451) 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, 33938240 + 33938241.

It is an arithmetic number, because the mean of its divisors is an integer number (33938241).

Almost surely, 2^67876481 is an apocalyptic number.

It is an amenable number.

67876481 is a deficient number, since it is larger than the sum of its proper divisors (1).

67876481 is an equidigital number, since it uses as much as digits as its factorization.

67876481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 67876481 is about 8238.7184076166. The cubic root of 67876481 is about 407.9182221880.

The spelling of 67876481 in words is "sixty-seven million, eight hundred seventy-six thousand, four hundred eighty-one".