8272728442 has 64 divisors (see below), whose sum is σ = 14293843200. Its totient is φ = 3556224000.

The previous prime is 8272728437. The next prime is 8272728487. The reversal of 8272728442 is 2448272728.

It is a junction number, because it is equal to n+sod(n) for n = 8272728392 and 8272728401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8198434 + ... + 8199442.

It is an arithmetic number, because the mean of its divisors is an integer number (223341300).

Almost surely, 2^8272728442 is an apocalyptic number.

8272728442 is a deficient number, since it is larger than the sum of its proper divisors (6021114758).

8272728442 is a wasteful number, since it uses less digits than its factorization.

8272728442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its digits is 802816, while the sum is 46.

The square root of 8272728442 is about 90954.5405243740. The cubic root of 8272728442 is about 2022.4738864627.

The spelling of 8272728442 in words is "eight billion, two hundred seventy-two million, seven hundred twenty-eight thousand, four hundred forty-two".