5704721784 has 80 divisors (see below), whose sum is σ = 15999457320. Its totient is φ = 1899080640.

The previous prime is 5704721783. The next prime is 5704721797. The reversal of 5704721784 is 4871274075.

5704721784 is a `hidden beast` number, since 5 + 7 + 0 + 472 + 178 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5704721783) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 526647 + ... + 537369.

Almost surely, 2^5704721784 is an apocalyptic number.

5704721784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5704721784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7999728660).

5704721784 is an abundant number, since it is smaller than the sum of its proper divisors (10294735536).

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

5704721784 is a wasteful number, since it uses less digits than its factorization.

5704721784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11562 (or 11549 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The square root of 5704721784 is about 75529.6086577972. The cubic root of 5704721784 is about 1786.8091029300.

The spelling of 5704721784 in words is "five billion, seven hundred four million, seven hundred twenty-one thousand, seven hundred eighty-four".