679960320 has 288 divisors, whose sum is σ = 2392068672. Its totient is φ = 163577856.

The previous prime is 679960301. The next prime is 679960343. The reversal of 679960320 is 23069976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2645632 + ... + 2645888.

It is an arithmetic number, because the mean of its divisors is an integer number (8305794).

Almost surely, 2^679960320 is an apocalyptic number.

679960320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679960320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196034336).

679960320 is an abundant number, since it is smaller than the sum of its proper divisors (1712108352).

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

679960320 is a wasteful number, since it uses less digits than its factorization.

679960320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 679960320 is about 26076.0487804422. The cubic root of 679960320 is about 879.3488295694.

The spelling of 679960320 in words is "six hundred seventy-nine million, nine hundred sixty thousand, three hundred twenty".