73530646764 has 24 divisors (see below), whose sum is σ = 171576377280. Its totient is φ = 24509520144.

The previous prime is 73530646753. The next prime is 73530646807. The reversal of 73530646764 is 46764603537.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527107 + ... + 651845.

It is an arithmetic number, because the mean of its divisors is an integer number (7149015720).

Almost surely, 2^73530646764 is an apocalyptic number.

It is an amenable number.

73530646764 is an abundant number, since it is smaller than the sum of its proper divisors (98045730516).

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

73530646764 is a wasteful number, since it uses less digits than its factorization.

73530646764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173869 (or 173867 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 73530646764 in words is "seventy-three billion, five hundred thirty million, six hundred forty-six thousand, seven hundred sixty-four".