73215100500 has 96 divisors (see below), whose sum is σ = 218964764928. Its totient is φ = 18996336000.

The previous prime is 73215100481. The next prime is 73215100549. The reversal of 73215100500 is 500151237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604096 + ... + 715095.

It is an arithmetic number, because the mean of its divisors is an integer number (2280882968).

Almost surely, 2^73215100500 is an apocalyptic number.

It is an amenable number.

73215100500 is an abundant number, since it is smaller than the sum of its proper divisors (145749664428).

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

73215100500 is a wasteful number, since it uses less digits than its factorization.

73215100500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319250 (or 1319238 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

Adding to 73215100500 its reverse (500151237), we get a palindrome (73715251737).

The spelling of 73215100500 in words is "seventy-three billion, two hundred fifteen million, one hundred thousand, five hundred".