71225725000 has 96 divisors (see below), whose sum is σ = 168053697000. Its totient is φ = 28297600000.

The previous prime is 71225724991. The next prime is 71225725001. The reversal of 71225725000 is 52752217.

It can be written as a sum of positive squares in 12 ways, for example, as 33418033636 + 37807691364 = 182806^2 + 194442^2 .

It is not an unprimeable number, because it can be changed into a prime (71225725001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3715440 + ... + 3734560.

Almost surely, 2^71225725000 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 71225725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84026848500).

71225725000 is an abundant number, since it is smaller than the sum of its proper divisors (96827972000).

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

71225725000 is a wasteful number, since it uses less digits than its factorization.

71225725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19301 (or 19277 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The spelling of 71225725000 in words is "seventy-one billion, two hundred twenty-five million, seven hundred twenty-five thousand".