704642988 has 48 divisors (see below), whose sum is σ = 1919038464. Its totient is φ = 197041920.

The previous prime is 704642951. The next prime is 704643007. The reversal of 704642988 is 889246407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85293 + ... + 93188.

It is an arithmetic number, because the mean of its divisors is an integer number (39979968).

Almost surely, 2^704642988 is an apocalyptic number.

It is an amenable number.

704642988 is an abundant number, since it is smaller than the sum of its proper divisors (1214395476).

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

704642988 is a wasteful number, since it uses less digits than its factorization.

704642988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178542 (or 178540 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 704642988 is about 26545.1123184665. The cubic root of 704642988 is about 889.8627857310.

The spelling of 704642988 in words is "seven hundred four million, six hundred forty-two thousand, nine hundred eighty-eight".