683469520 has 80 divisors (see below), whose sum is σ = 1711765440. Its totient is φ = 252951552.

The previous prime is 683469509. The next prime is 683469529. The reversal of 683469520 is 25964386.

683469520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683469529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60132 + ... + 70588.

It is an arithmetic number, because the mean of its divisors is an integer number (21397068).

Almost surely, 2^683469520 is an apocalyptic number.

683469520 is the 13072-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683469520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855882720).

683469520 is an abundant number, since it is smaller than the sum of its proper divisors (1028295920).

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

683469520 is a wasteful number, since it uses less digits than its factorization.

683469520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532 (or 10526 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 683469520 is about 26143.2499892420. The cubic root of 683469520 is about 880.8589753238.

The spelling of 683469520 in words is "six hundred eighty-three million, four hundred sixty-nine thousand, five hundred twenty".