63726560 has 48 divisors (see below), whose sum is σ = 157108896. Its totient is φ = 24380928.

The previous prime is 63726541. The next prime is 63726569. The reversal of 63726560 is 6562736.

63726560 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-2 number, since 2×63726560² = 8122148898867200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63726560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63726569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (3273102).

Almost surely, 2^63726560 is an apocalyptic number.

It is an amenable number.

63726560 is an abundant number, since it is smaller than the sum of its proper divisors (93382336).

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

63726560 is a wasteful number, since it uses less digits than its factorization.

63726560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355 (or 17347 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 63726560 is about 7982.8917066437. The cubic root of 63726560 is about 399.4295201018.

The spelling of 63726560 in words is "sixty-three million, seven hundred twenty-six thousand, five hundred sixty".