63744130572 has 96 divisors (see below), whose sum is σ = 157777804800. Its totient is φ = 19994688000.

The previous prime is 63744130507. The next prime is 63744130573. The reversal of 63744130572 is 27503144736.

It is not an unprimeable number, because it can be changed into a prime (63744130573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20701329 + ... + 20704407.

It is an arithmetic number, because the mean of its divisors is an integer number (1643518800).

Almost surely, 2^63744130572 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 63744130572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78888902400).

63744130572 is an abundant number, since it is smaller than the sum of its proper divisors (94033674228).

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

63744130572 is a wasteful number, since it uses less digits than its factorization.

63744130572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 63744130572 in words is "sixty-three billion, seven hundred forty-four million, one hundred thirty thousand, five hundred seventy-two".