5643974700 has 1080 divisors, whose sum is σ = 24601758720. Its totient is φ = 1091750400.

The previous prime is 5643974683. The next prime is 5643974711. The reversal of 5643974700 is 74793465.

5643974700 is a `hidden beast` number, since 56 + 43 + 97 + 470 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 182063685 + ... + 182063715.

Almost surely, 2^5643974700 is an apocalyptic number.

5643974700 is a gapful number since it is divisible by the number (50) 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 5643974700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12300879360).

5643974700 is an abundant number, since it is smaller than the sum of its proper divisors (18957784020).

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

5643974700 is a wasteful number, since it uses less digits than its factorization.

5643974700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 5643974700 is about 75126.3915012561. The cubic root of 5643974700 is about 1780.4441407376. Note that the first 3 decimals are identical.

The spelling of 5643974700 in words is "five billion, six hundred forty-three million, nine hundred seventy-four thousand, seven hundred".