704263648 has 48 divisors (see below), whose sum is σ = 1538248320. Its totient is φ = 314684800.

The previous prime is 704263639. The next prime is 704263649. The reversal of 704263648 is 846362407.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 704263648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704263649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3813 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (32046840).

Almost surely, 2^704263648 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 704263648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769124160).

704263648 is an abundant number, since it is smaller than the sum of its proper divisors (833984672).

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

704263648 is a wasteful number, since it uses less digits than its factorization.

704263648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33991 (or 33983 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 704263648 is about 26537.9661617088. The cubic root of 704263648 is about 889.7030731070.

The spelling of 704263648 in words is "seven hundred four million, two hundred sixty-three thousand, six hundred forty-eight".