679774200 has 384 divisors, whose sum is σ = 2605547520. Its totient is φ = 143193600.

The previous prime is 679774187. The next prime is 679774201. The reversal of 679774200 is 2477976.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679774201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2994487 + ... + 2994713.

It is an arithmetic number, because the mean of its divisors is an integer number (6785280).

Almost surely, 2^679774200 is an apocalyptic number.

679774200 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 679774200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302773760).

679774200 is an abundant number, since it is smaller than the sum of its proper divisors (1925773320).

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

679774200 is a wasteful number, since it uses less digits than its factorization.

679774200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 679774200 is about 26072.4797439753. The cubic root of 679774200 is about 879.2685899169.

The spelling of 679774200 in words is "six hundred seventy-nine million, seven hundred seventy-four thousand, two hundred".