67055797 has 2 divisors, whose sum is σ = 67055798. Its totient is φ = 67055796.

The previous prime is 67055789. The next prime is 67055843. The reversal of 67055797 is 79755076.

It is an a-pointer prime, because the next prime (67055843) can be obtained adding 67055797 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61324561 + 5731236 = 7831^2 + 2394^2 .

It is a cyclic number.

It is not a de Polignac number, because 67055797 - 2³ = 67055789 is a prime.

It is a super-2 number, since 2×67055797² = 8992959822610418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67055767) 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, 33527898 + 33527899.

It is an arithmetic number, because the mean of its divisors is an integer number (33527899).

Almost surely, 2^67055797 is an apocalyptic number.

It is an amenable number.

67055797 is a deficient number, since it is larger than the sum of its proper divisors (1).

67055797 is an equidigital number, since it uses as much as digits as its factorization.

67055797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 463050, while the sum is 46.

The square root of 67055797 is about 8188.7604068015. The cubic root of 67055797 is about 406.2675261236.

The spelling of 67055797 in words is "sixty-seven million, fifty-five thousand, seven hundred ninety-seven".