67045633 has 2 divisors, whose sum is σ = 67045634. Its totient is φ = 67045632.

The previous prime is 67045613. The next prime is 67045639. The reversal of 67045633 is 33654076.

67045633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66699889 + 345744 = 8167^2 + 588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67045633 is a prime.

It is not a weakly prime, because it can be changed into another prime (67045639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33522816 + 33522817.

It is an arithmetic number, because the mean of its divisors is an integer number (33522817).

Almost surely, 2^67045633 is an apocalyptic number.

It is an amenable number.

67045633 is a deficient number, since it is larger than the sum of its proper divisors (1).

67045633 is an equidigital number, since it uses as much as digits as its factorization.

67045633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 67045633 is about 8188.1397765304. The cubic root of 67045633 is about 406.2469983841.

The spelling of 67045633 in words is "sixty-seven million, forty-five thousand, six hundred thirty-three".