704424680 has 64 divisors (see below), whose sum is σ = 1657981440. Its totient is φ = 268849152.

The previous prime is 704424653. The next prime is 704424683. The reversal of 704424680 is 86424407.

It is a Cunningham number, because it is equal to 26541²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 704424680.

It is not an unprimeable number, because it can be changed into a prime (704424683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530177 + ... + 531503.

It is an arithmetic number, because the mean of its divisors is an integer number (25905960).

Almost surely, 2^704424680 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 704424680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828990720).

704424680 is an abundant number, since it is smaller than the sum of its proper divisors (953556760).

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

704424680 is a wasteful number, since it uses less digits than its factorization.

704424680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 704424680 is about 26540.9999811612. Note that the first 4 decimals coincide. The cubic root of 704424680 is about 889.7708790332.

The spelling of 704424680 in words is "seven hundred four million, four hundred twenty-four thousand, six hundred eighty".