63144700 has 36 divisors (see below), whose sum is σ = 138775840. Its totient is φ = 24935040.

The previous prime is 63144671. The next prime is 63144703. The reversal of 63144700 is 744136.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3904 + ... + 11896.

Almost surely, 2^63144700 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 63144700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69387920).

63144700 is an abundant number, since it is smaller than the sum of its proper divisors (75631140).

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

63144700 is a wasteful number, since it uses less digits than its factorization.

63144700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086 (or 8079 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 63144700 is about 7946.3639483729. The cubic root of 63144700 is about 398.2101278402.

Adding to 63144700 its reverse (744136), we get a palindrome (63888836).

The spelling of 63144700 in words is "sixty-three million, one hundred forty-four thousand, seven hundred".