4747571640 has 192 divisors, whose sum is σ = 18671290560. Its totient is φ = 1021317120.

The previous prime is 4747571599. The next prime is 4747571641. The reversal of 4747571640 is 461757474.

4747571640 is a `hidden beast` number, since 4 + 74 + 7 + 571 + 6 + 4 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747571641) 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 47 ways as a sum of consecutive naturals, for example, 12571 + ... + 98250.

It is an arithmetic number, because the mean of its divisors is an integer number (97246305).

Almost surely, 2^4747571640 is an apocalyptic number.

4747571640 is a gapful number since it is divisible by the number (40) 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 4747571640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9335645280).

4747571640 is an abundant number, since it is smaller than the sum of its proper divisors (13923718920).

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

4747571640 is a wasteful number, since it uses less digits than its factorization.

4747571640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110862 (or 110855 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 4747571640 is about 68902.6243331849. The cubic root of 4747571640 is about 1680.7011953908.

The spelling of 4747571640 in words is "four billion, seven hundred forty-seven million, five hundred seventy-one thousand, six hundred forty".