67670653 has 2 divisors, whose sum is σ = 67670654. Its totient is φ = 67670652.

The previous prime is 67670641. The next prime is 67670657. The reversal of 67670653 is 35607676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 28068804 = 6293^2 + 5298^2 .

It is a cyclic number.

It is not a de Polignac number, because 67670653 - 2¹³ = 67662461 is a prime.

It is equal to p_3989056 and since 67670653 and 3989056 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67670657) 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, 33835326 + 33835327.

It is an arithmetic number, because the mean of its divisors is an integer number (33835327).

Almost surely, 2^67670653 is an apocalyptic number.

It is an amenable number.

67670653 is a deficient number, since it is larger than the sum of its proper divisors (1).

67670653 is an equidigital number, since it uses as much as digits as its factorization.

67670653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 67670653 is about 8226.2174175012. The cubic root of 67670653 is about 407.5054822553.

The spelling of 67670653 in words is "sixty-seven million, six hundred seventy thousand, six hundred fifty-three".