73601744645 has 64 divisors (see below), whose sum is σ = 105000634368. Its totient is φ = 48823680000.

The previous prime is 73601744633. The next prime is 73601744659. The reversal of 73601744645 is 54644710637.

It is not a de Polignac number, because 73601744645 - 2¹² = 73601740549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73601744645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62320955 + ... + 62322135.

It is an arithmetic number, because the mean of its divisors is an integer number (1640634912).

Almost surely, 2^73601744645 is an apocalyptic number.

It is an amenable number.

73601744645 is a deficient number, since it is larger than the sum of its proper divisors (31398889723).

73601744645 is a wasteful number, since it uses less digits than its factorization.

73601744645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 73601744645 in words is "seventy-three billion, six hundred one million, seven hundred forty-four thousand, six hundred forty-five".