704992530 has 128 divisors (see below), whose sum is σ = 1955404800. Its totient is φ = 160876800.

The previous prime is 704992501. The next prime is 704992531. The reversal of 704992530 is 35299407.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (704992531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1435585 + ... + 1436075.

It is an arithmetic number, because the mean of its divisors is an integer number (15276600).

Almost surely, 2^704992530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704992530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977702400).

704992530 is an abundant number, since it is smaller than the sum of its proper divisors (1250412270).

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

704992530 is a wasteful number, since it uses less digits than its factorization.

704992530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 704992530 is about 26551.6954260929. The cubic root of 704992530 is about 890.0099018382.

The spelling of 704992530 in words is "seven hundred four million, nine hundred ninety-two thousand, five hundred thirty".