648704700 has 360 divisors, whose sum is σ = 2548399392. Its totient is φ = 139345920.

The previous prime is 648704663. The next prime is 648704701. The reversal of 648704700 is 7407846.

It is a happy number.

648704700 is a `hidden beast` number, since 648 + 7 + 0 + 4 + 7 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648704701) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 963564 + ... + 964236.

Almost surely, 2^648704700 is an apocalyptic number.

648704700 is a gapful number since it is divisible by the number (60) 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 648704700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274199696).

648704700 is an abundant number, since it is smaller than the sum of its proper divisors (1899694692).

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

648704700 is a wasteful number, since it uses less digits than its factorization.

648704700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 648704700 is about 25469.6819768131. The cubic root of 648704700 is about 865.6633178223.

The spelling of 648704700 in words is "six hundred forty-eight million, seven hundred four thousand, seven hundred".