8390725632 has 208 divisors, whose sum is σ = 26326529280. Its totient is φ = 2631794688.

The previous prime is 8390725621. The next prime is 8390725669. The reversal of 8390725632 is 2365270938.

8390725632 is a `hidden beast` number, since 8 + 3 + 9 + 0 + 7 + 2 + 5 + 632 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877833 + ... + 1882295.

Almost surely, 2^8390725632 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 8390725632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13163264640).

8390725632 is an abundant number, since it is smaller than the sum of its proper divisors (17935803648).

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

8390725632 is a wasteful number, since it uses less digits than its factorization.

8390725632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 8390725632 is about 91600.9041003417. The cubic root of 8390725632 is about 2032.0443084558.

The spelling of 8390725632 in words is "eight billion, three hundred ninety million, seven hundred twenty-five thousand, six hundred thirty-two".