63704000 has 56 divisors (see below), whose sum is σ = 157782768. Its totient is φ = 25478400.

The previous prime is 63703999. The next prime is 63704009. The reversal of 63704000 is 40736.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63704009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4019 + ... + 11981.

Almost surely, 2^63704000 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 63704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78891384).

63704000 is an abundant number, since it is smaller than the sum of its proper divisors (94078768).

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

63704000 is an equidigital number, since it uses as much as digits as its factorization.

63704000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 63704000 is about 7981.4785597657. The cubic root of 63704000 is about 399.3823801886.

Adding to 63704000 its reverse (40736), we get a palindrome (63744736).

The spelling of 63704000 in words is "sixty-three million, seven hundred four thousand".