72284792266 has 16 divisors (see below), whose sum is σ = 109175121000. Its totient is φ = 35893175488.

The previous prime is 72284792257. The next prime is 72284792267. The reversal of 72284792266 is 66229748227.

It can be written as a sum of positive squares in 4 ways, for example, as 55305399241 + 16979393025 = 235171^2 + 130305^2 .

It is not an unprimeable number, because it can be changed into a prime (72284792267) 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, 1848816 + ... + 1887508.

Almost surely, 2^72284792266 is an apocalyptic number.

72284792266 is a deficient number, since it is larger than the sum of its proper divisors (36890328734).

72284792266 is a wasteful number, since it uses less digits than its factorization.

72284792266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45113.

The product of its digits is 8128512, while the sum is 55.

The spelling of 72284792266 in words is "seventy-two billion, two hundred eighty-four million, seven hundred ninety-two thousand, two hundred sixty-six".