67338961 has 2 divisors, whose sum is σ = 67338962. Its totient is φ = 67338960.

The previous prime is 67338949. The next prime is 67339043. The reversal of 67338961 is 16983376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43758225 + 23580736 = 6615^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 67338961 - 2¹⁹ = 66814673 is a prime.

It is not a weakly prime, because it can be changed into another prime (67333961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33669480 + 33669481.

It is an arithmetic number, because the mean of its divisors is an integer number (33669481).

Almost surely, 2^67338961 is an apocalyptic number.

It is an amenable number.

67338961 is a deficient number, since it is larger than the sum of its proper divisors (1).

67338961 is an equidigital number, since it uses as much as digits as its factorization.

67338961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 67338961 is about 8206.0319887263. The cubic root of 67338961 is about 406.8385867950.

The spelling of 67338961 in words is "sixty-seven million, three hundred thirty-eight thousand, nine hundred sixty-one".