73645453564536 has 128 divisors (see below), whose sum is σ = 210754089630720. Its totient is φ = 21007712400384.

The previous prime is 73645453564483. The next prime is 73645453564589. The reversal of 73645453564536 is 63546535454637.

73645453564536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (73645453564483) and next prime (73645453564589).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737430461 + ... + 2737457363.

It is an arithmetic number, because the mean of its divisors is an integer number (1646516325240).

Almost surely, 2^{73645453564536} is an apocalyptic number.

It is an amenable number.

73645453564536 is an abundant number, since it is smaller than the sum of its proper divisors (137108636066184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73645453564536 is a wasteful number, since it uses less digits than its factorization.

73645453564536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525 (or 52521 counting only the distinct ones).

The product of its digits is 1632960000, while the sum is 66.

The spelling of 73645453564536 in words is "seventy-three trillion, six hundred forty-five billion, four hundred fifty-three million, five hundred sixty-four thousand, five hundred thirty-six".