63075747456 has 48 divisors (see below), whose sum is σ = 181507037010. Its totient is φ = 21025248768.

The previous prime is 63075747443. The next prime is 63075747481. The reversal of 63075747456 is 65474757036.

It is a happy number.

63075747456 is a `hidden beast` number, since 63 + 0 + 7 + 574 + 7 + 4 + 5 + 6 = 666.

63075747456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38174907456 + 24900840000 = 195384^2 + 157800^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27375475 + ... + 27377778.

Almost surely, 2^63075747456 is an apocalyptic number.

It is an amenable number.

63075747456 is an abundant number, since it is smaller than the sum of its proper divisors (118431289554).

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

63075747456 is a wasteful number, since it uses less digits than its factorization.

63075747456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54753273 (or 54753258 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 54.

The spelling of 63075747456 in words is "sixty-three billion, seventy-five million, seven hundred forty-seven thousand, four hundred fifty-six".