3047745648 has 80 divisors (see below), whose sum is σ = 8132158080. Its totient is φ = 982833408.

The previous prime is 3047745643. The next prime is 3047745667. The reversal of 3047745648 is 8465477403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 3047745597 and 3047745606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047745643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313111 + ... + 322697.

It is an arithmetic number, because the mean of its divisors is an integer number (101651976).

Almost surely, 2^3047745648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3047745648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4066079040).

3047745648 is an abundant number, since it is smaller than the sum of its proper divisors (5084412432).

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

3047745648 is a wasteful number, since it uses less digits than its factorization.

3047745648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814 (or 9808 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The square root of 3047745648 is about 55206.3913691159. The cubic root of 3047745648 is about 1449.8605728798.

The spelling of 3047745648 in words is "three billion, forty-seven million, seven hundred forty-five thousand, six hundred forty-eight".