67196761 has 2 divisors, whose sum is σ = 67196762. Its totient is φ = 67196760.

The previous prime is 67196729. The next prime is 67196797. The reversal of 67196761 is 16769176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 21566736 = 6755^2 + 4644^2 .

It is a cyclic number.

It is not a de Polignac number, because 67196761 - 2⁵ = 67196729 is a prime.

It is a super-2 number, since 2×67196761² = 9030809377782242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67196861) 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, 33598380 + 33598381.

It is an arithmetic number, because the mean of its divisors is an integer number (33598381).

Almost surely, 2^67196761 is an apocalyptic number.

It is an amenable number.

67196761 is a deficient number, since it is larger than the sum of its proper divisors (1).

67196761 is an equidigital number, since it uses as much as digits as its factorization.

67196761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 67196761 is about 8197.3630516161. The cubic root of 67196761 is about 406.5520106611.

The spelling of 67196761 in words is "sixty-seven million, one hundred ninety-six thousand, seven hundred sixty-one".