72251330008 has 64 divisors (see below), whose sum is σ = 159245241120. Its totient is φ = 30298060800.

The previous prime is 72251329993. The next prime is 72251330009. The reversal of 72251330008 is 80003315227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72251330009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112016 + ... + 2145952.

Almost surely, 2^72251330008 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 72251330008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79622620560).

72251330008 is an abundant number, since it is smaller than the sum of its proper divisors (86993911112).

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

72251330008 is a wasteful number, since it uses less digits than its factorization.

72251330008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35828 (or 35824 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 72251330008 in words is "seventy-two billion, two hundred fifty-one million, three hundred thirty thousand, eight".