679243320 has 384 divisors, whose sum is σ = 2673216000. Its totient is φ = 151911936.

The previous prime is 679243309. The next prime is 679243321. The reversal of 679243320 is 23342976.

It is a happy number.

679243320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679243320² = 922742975529244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679243321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4558606 + ... + 4558754.

It is an arithmetic number, because the mean of its divisors is an integer number (6961500).

Almost surely, 2^679243320 is an apocalyptic number.

679243320 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 679243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336608000).

679243320 is an abundant number, since it is smaller than the sum of its proper divisors (1993972680).

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

679243320 is a wasteful number, since it uses less digits than its factorization.

679243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 679243320 is about 26062.2969056835. The cubic root of 679243320 is about 879.0396375794.

The spelling of 679243320 in words is "six hundred seventy-nine million, two hundred forty-three thousand, three hundred twenty".