4722665472 has 480 divisors, whose sum is σ = 16648632000. Its totient is φ = 1333075968.

The previous prime is 4722665461. The next prime is 4722665477. The reversal of 4722665472 is 2745662274.

It is a happy number.

4722665472 is a `hidden beast` number, since 47 + 2 + 2 + 66 + 547 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4722665477) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56899543 + ... + 56899625.

It is an arithmetic number, because the mean of its divisors is an integer number (34684650).

Almost surely, 2^4722665472 is an apocalyptic number.

4722665472 is a gapful number since it is divisible by the number (42) 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 4722665472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8324316000).

4722665472 is an abundant number, since it is smaller than the sum of its proper divisors (11925966528).

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

4722665472 is an frugal number, since it uses more digits than its factorization.

4722665472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 95 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 4722665472 is about 68721.6521338071. The cubic root of 4722665472 is about 1677.7570066785.

The spelling of 4722665472 in words is "four billion, seven hundred twenty-two million, six hundred sixty-five thousand, four hundred seventy-two".