67340137 has 2 divisors, whose sum is σ = 67340138. Its totient is φ = 67340136.

The previous prime is 67340093. The next prime is 67340149. The reversal of 67340137 is 73104376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54228496 + 13111641 = 7364^2 + 3621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67340137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67340099 and 67340108.

It is not a weakly prime, because it can be changed into another prime (67340167) 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, 33670068 + 33670069.

It is an arithmetic number, because the mean of its divisors is an integer number (33670069).

Almost surely, 2^67340137 is an apocalyptic number.

It is an amenable number.

67340137 is a deficient number, since it is larger than the sum of its proper divisors (1).

67340137 is an equidigital number, since it uses as much as digits as its factorization.

67340137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 67340137 is about 8206.1036430208. The cubic root of 67340137 is about 406.8409551089.

The spelling of 67340137 in words is "sixty-seven million, three hundred forty thousand, one hundred thirty-seven".