683873280 has 440 divisors, whose sum is σ = 2621519208. Its totient is φ = 169869312.

The previous prime is 683873279. The next prime is 683873287. The reversal of 683873280 is 82378386.

It can be written as a sum of positive squares in 4 ways, for example, as 126157824 + 557715456 = 11232^2 + 23616^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683873287) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7050192 + ... + 7050288.

Almost surely, 2^683873280 is an apocalyptic number.

683873280 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 683873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310759604).

683873280 is an abundant number, since it is smaller than the sum of its proper divisors (1937645928).

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

683873280 is a wasteful number, since it uses less digits than its factorization.

683873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 683873280 is about 26150.9709188779. The cubic root of 683873280 is about 881.0323971555.

The spelling of 683873280 in words is "six hundred eighty-three million, eight hundred seventy-three thousand, two hundred eighty".