704820240 has 60 divisors (see below), whose sum is σ = 2367023724. Its totient is φ = 187951872.

The previous prime is 704820229. The next prime is 704820241. The reversal of 704820240 is 42028407.

It can be written as a sum of positive squares in 2 ways, for example, as 296941824 + 407878416 = 17232^2 + 20196^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (704820241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488739 + ... + 490178.

Almost surely, 2^704820240 is an apocalyptic number.

It is an amenable number.

704820240 is an abundant number, since it is smaller than the sum of its proper divisors (1662203484).

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

704820240 is a wasteful number, since it uses less digits than its factorization.

704820240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978936 (or 978927 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 704820240 is about 26548.4508022596. The cubic root of 704820240 is about 889.9373940728.

Adding to 704820240 its reverse (42028407), we get a palindrome (746848647).

The spelling of 704820240 in words is "seven hundred four million, eight hundred twenty thousand, two hundred forty".