8272530305 has 8 divisors (see below), whose sum is σ = 10690654632. Its totient is φ = 6108945408.

The previous prime is 8272530241. The next prime is 8272530349. The reversal of 8272530305 is 5030352728.

It can be written as a sum of positive squares in 4 ways, for example, as 1738556416 + 6533973889 = 41696^2 + 80833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8272530305 - 2⁶ = 8272530241 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 63634784 + ... + 63634913.

It is an arithmetic number, because the mean of its divisors is an integer number (1336331829).

Almost surely, 2^8272530305 is an apocalyptic number.

It is an amenable number.

8272530305 is a deficient number, since it is larger than the sum of its proper divisors (2418124327).

8272530305 is a wasteful number, since it uses less digits than its factorization.

8272530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127269715.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 8272530305 is about 90953.4513088976. The cubic root of 8272530305 is about 2022.4577398306.

The spelling of 8272530305 in words is "eight billion, two hundred seventy-two million, five hundred thirty thousand, three hundred five".