704640384 has 480 divisors, whose sum is σ = 2602927800. Its totient is φ = 188116992.

The previous prime is 704640373. The next prime is 704640401. The reversal of 704640384 is 483046407.

704640384 is a `hidden beast` number, since 7 + 0 + 4 + 640 + 3 + 8 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9652572 + ... + 9652644.

Almost surely, 2^704640384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704640384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301463900).

704640384 is an abundant number, since it is smaller than the sum of its proper divisors (1898287416).

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

704640384 is a wasteful number, since it uses less digits than its factorization.

704640384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 704640384 is about 26545.0632698436. The cubic root of 704640384 is about 889.8616895704.

The spelling of 704640384 in words is "seven hundred four million, six hundred forty thousand, three hundred eighty-four".