704695680 has 256 divisors, whose sum is σ = 2688638400. Its totient is φ = 173408256.

The previous prime is 704695669. The next prime is 704695697. The reversal of 704695680 is 86596407.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223072 + ... + 226208.

Almost surely, 2^704695680 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 704695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344319200).

704695680 is an abundant number, since it is smaller than the sum of its proper divisors (1983942720).

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

704695680 is a wasteful number, since it uses less digits than its factorization.

704695680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 704695680 is about 26546.1047990096. The cubic root of 704695680 is about 889.8849659849.

The spelling of 704695680 in words is "seven hundred four million, six hundred ninety-five thousand, six hundred eighty".