8621630748 has 72 divisors (see below), whose sum is σ = 22663630080. Its totient is φ = 2760186240.

The previous prime is 8621630723. The next prime is 8621630761. The reversal of 8621630748 is 8470361268.

8621630748 is a `hidden beast` number, since 8 + 6 + 2 + 1 + 630 + 7 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177786 + ... + 221022.

It is an arithmetic number, because the mean of its divisors is an integer number (314772640).

Almost surely, 2^8621630748 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 8621630748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11331815040).

8621630748 is an abundant number, since it is smaller than the sum of its proper divisors (14041999332).

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

8621630748 is a wasteful number, since it uses less digits than its factorization.

8621630748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43467 (or 43462 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8621630748 is about 92852.7368901962. The cubic root of 8621630748 is about 2050.5158922128.

It can be divided in two parts, 86216 and 30748, that added together give a square (116964 = 342²).

The spelling of 8621630748 in words is "eight billion, six hundred twenty-one million, six hundred thirty thousand, seven hundred forty-eight".