73505553052 has 24 divisors (see below), whose sum is σ = 130442392080. Its totient is φ = 36239873280.

The previous prime is 73505553049. The next prime is 73505553073. The reversal of 73505553052 is 25035550537.

It is a junction number, because it is equal to n+sod(n) for n = 73505552996 and 73505553014.

It is a congruent number.

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, 364477 + ... + 529012.

It is an arithmetic number, because the mean of its divisors is an integer number (5435099670).

Almost surely, 2^73505553052 is an apocalyptic number.

It is an amenable number.

73505553052 is a deficient number, since it is larger than the sum of its proper divisors (56936839028).

73505553052 is a wasteful number, since it uses less digits than its factorization.

73505553052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893781 (or 893779 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 40.

The spelling of 73505553052 in words is "seventy-three billion, five hundred five million, five hundred fifty-three thousand, fifty-two".