71850097530 has 96 divisors (see below), whose sum is σ = 193334169600. Its totient is φ = 18491469696.

The previous prime is 71850097519. The next prime is 71850097567. The reversal of 71850097530 is 3579005817.

71850097530 is a `hidden beast` number, since 7 + 1 + 8 + 500 + 97 + 53 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8501767 + ... + 8510213.

It is an arithmetic number, because the mean of its divisors is an integer number (2013897600).

Almost surely, 2^71850097530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71850097530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96667084800).

71850097530 is an abundant number, since it is smaller than the sum of its proper divisors (121484072070).

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

71850097530 is a wasteful number, since it uses less digits than its factorization.

71850097530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 71850097530 in words is "seventy-one billion, eight hundred fifty million, ninety-seven thousand, five hundred thirty".