5747561820 has 960 divisors, whose sum is σ = 25297735680. Its totient is φ = 1066867200.

The previous prime is 5747561797. The next prime is 5747561837. The reversal of 5747561820 is 281657475.

5747561820 is a `hidden beast` number, since 5 + 7 + 4 + 7 + 5 + 618 + 20 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 185405205 + ... + 185405235.

It is an arithmetic number, because the mean of its divisors is an integer number (26351808).

Almost surely, 2^5747561820 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 5747561820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648867840).

5747561820 is an abundant number, since it is smaller than the sum of its proper divisors (19550173860).

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

5747561820 is a wasteful number, since it uses less digits than its factorization.

5747561820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 5747561820 is about 75812.6758530524. The cubic root of 5747561820 is about 1791.2706789647.

The spelling of 5747561820 in words is "five billion, seven hundred forty-seven million, five hundred sixty-one thousand, eight hundred twenty".