72788826 has 16 divisors (see below), whose sum is σ = 158812128. Its totient is φ = 22057200.

The previous prime is 72788803. The next prime is 72788839. The reversal of 72788826 is 62888727.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551365 + ... + 551496.

It is an arithmetic number, because the mean of its divisors is an integer number (9925758).

Almost surely, 2^72788826 is an apocalyptic number.

72788826 is an abundant number, since it is smaller than the sum of its proper divisors (86023302).

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

72788826 is a wasteful number, since it uses less digits than its factorization.

72788826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102877.

The product of its digits is 602112, while the sum is 48.

The square root of 72788826 is about 8531.6367714525. The cubic root of 72788826 is about 417.5305314304.

Subtracting from 72788826 its reverse (62888727), we obtain a palindrome (9900099).

The spelling of 72788826 in words is "seventy-two million, seven hundred eighty-eight thousand, eight hundred twenty-six".