678471030 has 96 divisors (see below), whose sum is σ = 1810486080. Its totient is φ = 176225280.

The previous prime is 678471029. The next prime is 678471061. The reversal of 678471030 is 30174876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 568114 + ... + 569306.

It is an arithmetic number, because the mean of its divisors is an integer number (18859230).

Almost surely, 2^678471030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678471030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905243040).

678471030 is an abundant number, since it is smaller than the sum of its proper divisors (1132015050).

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

678471030 is a wasteful number, since it uses less digits than its factorization.

678471030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 678471030 is about 26047.4764612620. The cubic root of 678471030 is about 878.7063593788.

The spelling of 678471030 in words is "six hundred seventy-eight million, four hundred seventy-one thousand, thirty".