845572272 has 20 divisors (see below), whose sum is σ = 2184395160. Its totient is φ = 281857408.

The previous prime is 845572271. The next prime is 845572283. The reversal of 845572272 is 272275548.

It is not an unprimeable number, because it can be changed into a prime (845572271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8807997 + ... + 8808092.

It is an arithmetic number, because the mean of its divisors is an integer number (109219758).

Almost surely, 2^845572272 is an apocalyptic number.

It is an amenable number.

845572272 is an abundant number, since it is smaller than the sum of its proper divisors (1338822888).

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

845572272 is a wasteful number, since it uses less digits than its factorization.

845572272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616100 (or 17616094 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 845572272 is about 29078.7254191101. The cubic root of 845572272 is about 945.6205705254.

The spelling of 845572272 in words is "eight hundred forty-five million, five hundred seventy-two thousand, two hundred seventy-two".