845718472 has 32 divisors (see below), whose sum is σ = 1633993920. Its totient is φ = 410063040.

The previous prime is 845718451. The next prime is 845718479. The reversal of 845718472 is 274817548.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (845718479) 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 7 ways as a sum of consecutive naturals, for example, 87463 + ... + 96649.

It is an arithmetic number, because the mean of its divisors is an integer number (51062310).

Almost surely, 2^845718472 is an apocalyptic number.

It is an amenable number.

845718472 is a deficient number, since it is larger than the sum of its proper divisors (788275448).

845718472 is a wasteful number, since it uses less digits than its factorization.

845718472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541 (or 9537 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The square root of 845718472 is about 29081.2391757985. The cubic root of 845718472 is about 945.6750668569.

The spelling of 845718472 in words is "eight hundred forty-five million, seven hundred eighteen thousand, four hundred seventy-two".