704581632 has 208 divisors, whose sum is σ = 2186014080. Its totient is φ = 223838208.

The previous prime is 704581627. The next prime is 704581637. The reversal of 704581632 is 236185407.

704581632 is a `hidden beast` number, since 70 + 4 + 581 + 6 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (704581627) and next prime (704581637).

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

It is not an unprimeable number, because it can be changed into a prime (704581637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543478 + ... + 2543754.

Almost surely, 2^704581632 is an apocalyptic number.

704581632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704581632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093007040).

704581632 is an abundant number, since it is smaller than the sum of its proper divisors (1481432448).

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

704581632 is a wasteful number, since it uses less digits than its factorization.

704581632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 704581632 is about 26543.9566003262. The cubic root of 704581632 is about 889.8369570457.

The spelling of 704581632 in words is "seven hundred four million, five hundred eighty-one thousand, six hundred thirty-two".