683207040 has 256 divisors, whose sum is σ = 2277227520. Its totient is φ = 174096384.

The previous prime is 683207023. The next prime is 683207053. The reversal of 683207040 is 40702386.

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

It is a junction number, because it is equal to n+sod(n) for n = 683206989 and 683207007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6046024 + ... + 6046136.

It is an arithmetic number, because the mean of its divisors is an integer number (8895420).

Almost surely, 2^683207040 is an apocalyptic number.

683207040 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 683207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138613760).

683207040 is an abundant number, since it is smaller than the sum of its proper divisors (1594020480).

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

683207040 is a wasteful number, since it uses less digits than its factorization.

683207040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 237 counting only the distinct ones).

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

The square root of 683207040 is about 26138.2294733213. The cubic root of 683207040 is about 880.7461990350.

The spelling of 683207040 in words is "six hundred eighty-three million, two hundred seven thousand, forty".