304207680 has 336 divisors, whose sum is σ = 1167505920. Its totient is φ = 66834432.

The previous prime is 304207679. The next prime is 304207691. The reversal of 304207680 is 86702403.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1364049 + ... + 1364271.

It is an arithmetic number, because the mean of its divisors is an integer number (3474720).

Almost surely, 2^304207680 is an apocalyptic number.

304207680 is a gapful number since it is divisible by the number (30) 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 304207680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583752960).

304207680 is an abundant number, since it is smaller than the sum of its proper divisors (863298240).

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

304207680 is a wasteful number, since it uses less digits than its factorization.

304207680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 304207680 is about 17441.5503898019. The cubic root of 304207680 is about 672.5481638413.

The spelling of 304207680 in words is "three hundred four million, two hundred seven thousand, six hundred eighty".