72502405050 has 48 divisors (see below), whose sum is σ = 180469556352. Its totient is φ = 19262620800.

The previous prime is 72502405039. The next prime is 72502405123. The reversal of 72502405050 is 5050420527.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 72502404999 and 72502405017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 851139 + ... + 932438.

It is an arithmetic number, because the mean of its divisors is an integer number (3759782424).

Almost surely, 2^72502405050 is an apocalyptic number.

72502405050 is an abundant number, since it is smaller than the sum of its proper divisors (107967151302).

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

72502405050 is a wasteful number, since it uses less digits than its factorization.

72502405050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783863 (or 1783858 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

Adding to 72502405050 its reverse (5050420527), we get a palindrome (77552825577).

The spelling of 72502405050 in words is "seventy-two billion, five hundred two million, four hundred five thousand, fifty".