63231700736 has 72 divisors (see below), whose sum is σ = 133728691824. Its totient is φ = 29736550400.

The previous prime is 63231700733. The next prime is 63231700747. The reversal of 63231700736 is 63700713236.

63231700736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×63231700736³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63231700736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63231700733) 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, 8269331 + ... + 8276973.

It is an arithmetic number, because the mean of its divisors is an integer number (1857342942).

Almost surely, 2^63231700736 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 63231700736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66864345912).

63231700736 is an abundant number, since it is smaller than the sum of its proper divisors (70496991088).

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

63231700736 is a wasteful number, since it uses less digits than its factorization.

63231700736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9577 (or 9563 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 63231700736 in words is "sixty-three billion, two hundred thirty-one million, seven hundred thousand, seven hundred thirty-six".