683730432 has 480 divisors, whose sum is σ = 2573835264. Its totient is φ = 169574400.

The previous prime is 683730431. The next prime is 683730433. The reversal of 683730432 is 234037386.

It is an interprime number because it is at equal distance from previous prime (683730431) and next prime (683730433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683730431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14547433 + ... + 14547479.

Almost surely, 2^683730432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683730432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286917632).

683730432 is an abundant number, since it is smaller than the sum of its proper divisors (1890104832).

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

683730432 is a wasteful number, since it uses less digits than its factorization.

683730432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 683730432 is about 26148.2395583336. The cubic root of 683730432 is about 880.9710492990.

The spelling of 683730432 in words is "six hundred eighty-three million, seven hundred thirty thousand, four hundred thirty-two".