8249247072 has 72 divisors (see below), whose sum is σ = 25591424040. Its totient is φ = 2499770880.

The previous prime is 8249247067. The next prime is 8249247173. The reversal of 8249247072 is 2707429428.

8249247072 is a `hidden beast` number, since 8 + 24 + 92 + 470 + 72 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298797 + ... + 1305132.

It is an arithmetic number, because the mean of its divisors is an integer number (355436445).

Almost surely, 2^8249247072 is an apocalyptic number.

It is an amenable number.

8249247072 is an abundant number, since it is smaller than the sum of its proper divisors (17342176968).

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

8249247072 is a wasteful number, since it uses less digits than its factorization.

8249247072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603956 (or 2603945 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 8249247072 is about 90825.3657961255. The cubic root of 8249247072 is about 2020.5585384861.

The spelling of 8249247072 in words is "eight billion, two hundred forty-nine million, two hundred forty-seven thousand, seventy-two".