4721909760 has 168 divisors, whose sum is σ = 16369565940. Its totient is φ = 1259077632.

The previous prime is 4721909737. The next prime is 4721909767. The reversal of 4721909760 is 679091274.

4721909760 is a `hidden beast` number, since 472 + 1 + 90 + 97 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4593586176 + 128323584 = 67776^2 + 11328^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4721909767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362236 + ... + 375044.

Almost surely, 2^4721909760 is an apocalyptic number.

4721909760 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 4721909760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8184782970).

4721909760 is an abundant number, since it is smaller than the sum of its proper divisors (11647656180).

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

4721909760 is a wasteful number, since it uses less digits than its factorization.

4721909760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12846 (or 12819 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 4721909760 is about 68716.1535594070. The cubic root of 4721909760 is about 1677.6675114034.

The spelling of 4721909760 in words is "four billion, seven hundred twenty-one million, nine hundred nine thousand, seven hundred sixty".