67343752440073 has 4 divisors (see below), whose sum is σ = 67343771392128. Its totient is φ = 67343733488020.

The previous prime is 67343752440067. The next prime is 67343752440077. The reversal of 67343752440073 is 37004425734376.

67343752440073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67343752440073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67343752439996 and 67343752440023.

It is not an unprimeable number, because it can be changed into a prime (67343752440077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369413 + ... + 11844898.

It is an arithmetic number, because the mean of its divisors is an integer number (16835942848032).

Almost surely, 2^{67343752440073} is an apocalyptic number.

It is an amenable number.

67343752440073 is a deficient number, since it is larger than the sum of its proper divisors (18952055).

67343752440073 is a wasteful number, since it uses less digits than its factorization.

67343752440073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952054.

The product of its (nonzero) digits is 35562240, while the sum is 55.

The spelling of 67343752440073 in words is "sixty-seven trillion, three hundred forty-three billion, seven hundred fifty-two million, four hundred forty thousand, seventy-three".