3447474872 has 16 divisors (see below), whose sum is σ = 6472389240. Its totient is φ = 1721504416.

The previous prime is 3447474871. The next prime is 3447474887. The reversal of 3447474872 is 2784747443.

It is a self number, because there is not a number n which added to its sum of digits gives 3447474872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447474871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272558 + ... + 284925.

Almost surely, 2^3447474872 is an apocalyptic number.

It is an amenable number.

3447474872 is a deficient number, since it is larger than the sum of its proper divisors (3024914368).

3447474872 is a wasteful number, since it uses less digits than its factorization.

3447474872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558262 (or 558258 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 50.

The square root of 3447474872 is about 58715.2013706842. The cubic root of 3447474872 is about 1510.6610663365.

The spelling of 3447474872 in words is "three billion, four hundred forty-seven million, four hundred seventy-four thousand, eight hundred seventy-two".