63725052736 has 28 divisors (see below), whose sum is σ = 133109898880. Its totient is φ = 30185550720.

The previous prime is 63725052733. The next prime is 63725052757.

63725052736 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725052731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26201520 + ... + 26203951.

It is an arithmetic number, because the mean of its divisors is an integer number (4753924960).

Almost surely, 2^63725052736 is an apocalyptic number.

It is an amenable number.

63725052736 is an abundant number, since it is smaller than the sum of its proper divisors (69384846144).

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

63725052736 is a wasteful number, since it uses less digits than its factorization.

63725052736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52405502 (or 52405492 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 46.

It can be divided in two parts, 637250 and 52736, that added together give a palindrome (689986).

The spelling of 63725052736 in words is "sixty-three billion, seven hundred twenty-five million, fifty-two thousand, seven hundred thirty-six".