704839680 has 204 divisors, whose sum is σ = 2453649120. Its totient is φ = 187170816.

The previous prime is 704839643. The next prime is 704839687. The reversal of 704839680 is 86938407.

It is a happy number.

704839680 is a `hidden beast` number, since 7 + 0 + 483 + 96 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704839687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2949001 + ... + 2949239.

Almost surely, 2^704839680 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 704839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226824560).

704839680 is an abundant number, since it is smaller than the sum of its proper divisors (1748809440).

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

704839680 is an equidigital number, since it uses as much as digits as its factorization.

704839680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 704839680 is about 26548.8169227934. The cubic root of 704839680 is about 889.9455759339.

The spelling of 704839680 in words is "seven hundred four million, eight hundred thirty-nine thousand, six hundred eighty".