704640744 has 48 divisors (see below), whose sum is σ = 1914232320. Its totient is φ = 234162720.

The previous prime is 704640743. The next prime is 704640763. The reversal of 704640744 is 447046407.

704640744 is a `hidden beast` number, since 7 + 0 + 4 + 640 + 7 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 704640699 and 704640708.

It is not an unprimeable number, because it can be changed into a prime (704640743) 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, 9049 + ... + 38615.

It is an arithmetic number, because the mean of its divisors is an integer number (39879840).

Almost surely, 2^704640744 is an apocalyptic number.

It is an amenable number.

704640744 is an abundant number, since it is smaller than the sum of its proper divisors (1209591576).

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

704640744 is a wasteful number, since it uses less digits than its factorization.

704640744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29910 (or 29903 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 704640744 is about 26545.0700507646. The cubic root of 704640744 is about 889.8618411135.

The spelling of 704640744 in words is "seven hundred four million, six hundred forty thousand, seven hundred forty-four".