683724132 has 192 divisors, whose sum is σ = 2213890560. Its totient is φ = 177666048.

The previous prime is 683724131. The next prime is 683724149. The reversal of 683724132 is 231427386.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (683724131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 716968 + ... + 717920.

It is an arithmetic number, because the mean of its divisors is an integer number (11530680).

Almost surely, 2^683724132 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 683724132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106945280).

683724132 is an abundant number, since it is smaller than the sum of its proper divisors (1530166428).

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

683724132 is a wasteful number, since it uses less digits than its factorization.

683724132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1051 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 683724132 is about 26148.1190910551. The cubic root of 683724132 is about 880.9683434886.

The spelling of 683724132 in words is "six hundred eighty-three million, seven hundred twenty-four thousand, one hundred thirty-two".