682172928 has 120 divisors (see below), whose sum is σ = 2042088048. Its totient is φ = 227349504.

The previous prime is 682172867. The next prime is 682172929. The reversal of 682172928 is 829271286.

It is not an unprimeable number, because it can be changed into a prime (682172929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121675 + ... + 127157.

Almost surely, 2^682172928 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 682172928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021044024).

682172928 is an abundant number, since it is smaller than the sum of its proper divisors (1359915120).

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

682172928 is an frugal number, since it uses more digits than its factorization.

682172928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 5488 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 682172928 is about 26118.4403822280. The cubic root of 682172928 is about 880.3016046075.

The spelling of 682172928 in words is "six hundred eighty-two million, one hundred seventy-two thousand, nine hundred twenty-eight".