63532738272 has 24 divisors (see below), whose sum is σ = 166773438216. Its totient is φ = 21177579392.

The previous prime is 63532738267. The next prime is 63532738277. The reversal of 63532738272 is 27283723536.

It is a happy number.

63532738272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63532738267) and next prime (63532738277).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63532738277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330899583 + ... + 330899774.

It is an arithmetic number, because the mean of its divisors is an integer number (6948893259).

Almost surely, 2^63532738272 is an apocalyptic number.

It is an amenable number.

63532738272 is an abundant number, since it is smaller than the sum of its proper divisors (103240699944).

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

63532738272 is a wasteful number, since it uses less digits than its factorization.

63532738272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661799370 (or 661799362 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 48.

The spelling of 63532738272 in words is "sixty-three billion, five hundred thirty-two million, seven hundred thirty-eight thousand, two hundred seventy-two".