72852220848 has 80 divisors (see below), whose sum is σ = 205514989056. Its totient is φ = 22054475520.

The previous prime is 72852220843. The next prime is 72852220873. The reversal of 72852220848 is 84802225827.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 72852220797 and 72852220806.

It is not an unprimeable number, because it can be changed into a prime (72852220843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466761 + ... + 602967.

Almost surely, 2^72852220848 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 72852220848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102757494528).

72852220848 is an abundant number, since it is smaller than the sum of its proper divisors (132662768208).

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

72852220848 is a wasteful number, since it uses less digits than its factorization.

72852220848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137242 (or 137236 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 48.

The spelling of 72852220848 in words is "seventy-two billion, eight hundred fifty-two million, two hundred twenty thousand, eight hundred forty-eight".