75323056421500 has 96 divisors (see below), whose sum is σ = 164718307406016. Its totient is φ = 30090267820800.

The previous prime is 75323056421497. The next prime is 75323056421527. The reversal of 75323056421500 is 512465032357.

It is a happy number.

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, 5425553559 + ... + 5425567441.

It is an arithmetic number, because the mean of its divisors is an integer number (1715815702146).

Almost surely, 2^{75323056421500} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75323056421500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82359153703008).

75323056421500 is an abundant number, since it is smaller than the sum of its proper divisors (89395250984516).

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

75323056421500 is a wasteful number, since it uses less digits than its factorization.

75323056421500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27152 (or 27140 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 75323056421500 in words is "seventy-five trillion, three hundred twenty-three billion, fifty-six million, four hundred twenty-one thousand, five hundred".