72259344140 has 24 divisors (see below), whose sum is σ = 151756122672. Its totient is φ = 28901547200.

The previous prime is 72259344133. The next prime is 72259344149. The reversal of 72259344140 is 4144395227.

It is not an unprimeable number, because it can be changed into a prime (72259344149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148067 + ... + 407973.

It is an arithmetic number, because the mean of its divisors is an integer number (6323171778).

Almost surely, 2^72259344140 is an apocalyptic number.

It is an amenable number.

72259344140 is an abundant number, since it is smaller than the sum of its proper divisors (79496778532).

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

72259344140 is a wasteful number, since it uses less digits than its factorization.

72259344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273817 (or 273815 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 72259344140 in words is "seventy-two billion, two hundred fifty-nine million, three hundred forty-four thousand, one hundred forty".