704242530 has 48 divisors (see below), whose sum is σ = 1839150144. Its totient is φ = 186965280.

The previous prime is 704242489. The next prime is 704242537. The reversal of 704242530 is 35242407.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 704242494 and 704242503.

It is not an unprimeable number, because it can be changed into a prime (704242537) 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 23 ways as a sum of consecutive naturals, for example, 3195 + ... + 37665.

It is an arithmetic number, because the mean of its divisors is an integer number (38315628).

Almost surely, 2^704242530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704242530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919575072).

704242530 is an abundant number, since it is smaller than the sum of its proper divisors (1134907614).

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

704242530 is a wasteful number, since it uses less digits than its factorization.

704242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34711 (or 34708 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 704242530 is about 26537.5682759367. The cubic root of 704242530 is about 889.6941801602.

Adding to 704242530 its reverse (35242407), we get a palindrome (739484937).

The spelling of 704242530 in words is "seven hundred four million, two hundred forty-two thousand, five hundred thirty".