67375027457 has 2 divisors, whose sum is σ = 67375027458. Its totient is φ = 67375027456.

The previous prime is 67375027397. The next prime is 67375027513. The reversal of 67375027457 is 75472057376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33752670961 + 33622356496 = 183719^2 + 183364^2 .

It is a cyclic number.

It is not a de Polignac number, because 67375027457 - 2⁶ = 67375027393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67375027399 and 67375027408.

It is not a weakly prime, because it can be changed into another prime (67375047457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33687513728 + 33687513729.

It is an arithmetic number, because the mean of its divisors is an integer number (33687513729).

Almost surely, 2^67375027457 is an apocalyptic number.

It is an amenable number.

67375027457 is a deficient number, since it is larger than the sum of its proper divisors (1).

67375027457 is an equidigital number, since it uses as much as digits as its factorization.

67375027457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8643600, while the sum is 53.

The spelling of 67375027457 in words is "sixty-seven billion, three hundred seventy-five million, twenty-seven thousand, four hundred fifty-seven".