73587628645 has 16 divisors (see below), whose sum is σ = 92304288000. Its totient is φ = 56212890624.

The previous prime is 73587628627. The next prime is 73587628649. The reversal of 73587628645 is 54682678537.

It is a cyclic number.

It is not a de Polignac number, because 73587628645 - 2⁹ = 73587628133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73587628649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488145 + ... + 620854.

It is an arithmetic number, because the mean of its divisors is an integer number (5769018000).

Almost surely, 2^73587628645 is an apocalyptic number.

It is an amenable number.

73587628645 is a deficient number, since it is larger than the sum of its proper divisors (18716659355).

73587628645 is a wasteful number, since it uses less digits than its factorization.

73587628645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109604.

The product of its digits is 67737600, while the sum is 61.

The spelling of 73587628645 in words is "seventy-three billion, five hundred eighty-seven million, six hundred twenty-eight thousand, six hundred forty-five".