683732880 has 160 divisors (see below), whose sum is σ = 2364432000. Its totient is φ = 181605888.

The previous prime is 683732837. The next prime is 683732893. The reversal of 683732880 is 88237386.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753387 + ... + 754293.

It is an arithmetic number, because the mean of its divisors is an integer number (14777700).

Almost surely, 2^683732880 is an apocalyptic number.

683732880 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 683732880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182216000).

683732880 is an abundant number, since it is smaller than the sum of its proper divisors (1680699120).

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

683732880 is a wasteful number, since it uses less digits than its factorization.

683732880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1266 counting only the distinct ones).

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

The square root of 683732880 is about 26148.2863683263. The cubic root of 683732880 is about 880.9721006951.

It can be divided in two parts, 68373 and 2880, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 683732880 in words is "six hundred eighty-three million, seven hundred thirty-two thousand, eight hundred eighty".