67361149 has 2 divisors, whose sum is σ = 67361150. Its totient is φ = 67361148.

The previous prime is 67361087. The next prime is 67361153. The reversal of 67361149 is 94116376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 416025 = 8182^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 67361149 - 2¹¹ = 67359101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67361159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33680574 + 33680575.

It is an arithmetic number, because the mean of its divisors is an integer number (33680575).

Almost surely, 2^67361149 is an apocalyptic number.

It is an amenable number.

67361149 is a deficient number, since it is larger than the sum of its proper divisors (1).

67361149 is an equidigital number, since it uses as much as digits as its factorization.

67361149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 67361149 is about 8207.3838097167. The cubic root of 67361149 is about 406.8832659483.

The spelling of 67361149 in words is "sixty-seven million, three hundred sixty-one thousand, one hundred forty-nine".