73645453443064 has 8 divisors (see below), whose sum is σ = 138085225205760. Its totient is φ = 36822726721528.

The previous prime is 73645453443041. The next prime is 73645453443181. The reversal of 73645453443064 is 46034435454637.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4602840840184 + ... + 4602840840199.

It is an arithmetic number, because the mean of its divisors is an integer number (17260653150720).

Almost surely, 2^{73645453443064} is an apocalyptic number.

It is an amenable number.

73645453443064 is a deficient number, since it is larger than the sum of its proper divisors (64439771762696).

73645453443064 is a wasteful number, since it uses less digits than its factorization.

73645453443064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205681680389 (or 9205681680385 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 58.

The spelling of 73645453443064 in words is "seventy-three trillion, six hundred forty-five billion, four hundred fifty-three million, four hundred forty-three thousand, sixty-four".