73523853512 has 36 divisors (see below), whose sum is σ = 141738499665. Its totient is φ = 35754556320.

The previous prime is 73523853499. The next prime is 73523853527. The reversal of 73523853512 is 21535832537.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 59318550916 + 14205302596 = 243554^2 + 119186^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=191734.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28375337 + ... + 28377927.

Almost surely, 2^73523853512 is an apocalyptic number.

It is an amenable number.

73523853512 is a deficient number, since it is larger than the sum of its proper divisors (68214646153).

73523853512 is an frugal number, since it uses more digits than its factorization.

73523853512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262 (or 2630 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The spelling of 73523853512 in words is "seventy-three billion, five hundred twenty-three million, eight hundred fifty-three thousand, five hundred twelve".