8372456832 has 128 divisors (see below), whose sum is σ = 23397984000. Its totient is φ = 2648705024.

The previous prime is 8372456831. The next prime is 8372456909. The reversal of 8372456832 is 2386542738.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8372456831) 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, 650653 + ... + 663395.

It is an arithmetic number, because the mean of its divisors is an integer number (182796750).

Almost surely, 2^8372456832 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 8372456832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11698992000).

8372456832 is an abundant number, since it is smaller than the sum of its proper divisors (15025527168).

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

8372456832 is a wasteful number, since it uses less digits than its factorization.

8372456832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848 (or 12836 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 8372456832 is about 91501.1302225279. The cubic root of 8372456832 is about 2030.5684732106.

The spelling of 8372456832 in words is "eight billion, three hundred seventy-two million, four hundred fifty-six thousand, eight hundred thirty-two".