73915530513 has 24 divisors (see below), whose sum is σ = 112063459200. Its totient is φ = 43252550880.

The previous prime is 73915530487. The next prime is 73915530541. The reversal of 73915530513 is 31503551937.

It is not a de Polignac number, because 73915530513 - 2⁸ = 73915530257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73915530593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3500233 + ... + 3521286.

It is an arithmetic number, because the mean of its divisors is an integer number (4669310800).

Almost surely, 2^73915530513 is an apocalyptic number.

It is an amenable number.

73915530513 is a deficient number, since it is larger than the sum of its proper divisors (38147928687).

73915530513 is a wasteful number, since it uses less digits than its factorization.

73915530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021573 (or 7021562 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 42.

The spelling of 73915530513 in words is "seventy-three billion, nine hundred fifteen million, five hundred thirty thousand, five hundred thirteen".