849216672 has 72 divisors (see below), whose sum is σ = 2519977824. Its totient is φ = 270762624.

The previous prime is 849216661. The next prime is 849216701. The reversal of 849216672 is 276612948.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57478 + ... + 70725.

It is an arithmetic number, because the mean of its divisors is an integer number (34999692).

Almost surely, 2^849216672 is an apocalyptic number.

It is an amenable number.

849216672 is an abundant number, since it is smaller than the sum of its proper divisors (1670761152).

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

849216672 is a wasteful number, since it uses less digits than its factorization.

849216672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128242 (or 128231 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 849216672 is about 29141.3224133703. The cubic root of 849216672 is about 946.9771588368.

The spelling of 849216672 in words is "eight hundred forty-nine million, two hundred sixteen thousand, six hundred seventy-two".