4721746328 has 64 divisors (see below), whose sum is σ = 10131881760. Its totient is φ = 2043611136.

The previous prime is 4721746327. The next prime is 4721746333. The reversal of 4721746328 is 8236471274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721746327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495626 + ... + 505062.

Almost surely, 2^4721746328 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 4721746328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5065940880).

4721746328 is an abundant number, since it is smaller than the sum of its proper divisors (5410135432).

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

4721746328 is a wasteful number, since it uses less digits than its factorization.

4721746328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756 (or 9752 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 4721746328 is about 68714.9643673050. The cubic root of 4721746328 is about 1677.6481556953.

The spelling of 4721746328 in words is "four billion, seven hundred twenty-one million, seven hundred forty-six thousand, three hundred twenty-eight".