63505772 has 24 divisors (see below), whose sum is σ = 122608080. Its totient is φ = 28540160.

The previous prime is 63505753. The next prime is 63505777. The reversal of 63505772 is 27750536.

It is not an unprimeable number, because it can be changed into a prime (63505777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4193 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (5108670).

Almost surely, 2^63505772 is an apocalyptic number.

It is an amenable number.

63505772 is a deficient number, since it is larger than the sum of its proper divisors (59102308).

63505772 is a wasteful number, since it uses less digits than its factorization.

63505772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 63505772 is about 7969.0508845157. The cubic root of 63505772 is about 398.9676964989.

The spelling of 63505772 in words is "sixty-three million, five hundred five thousand, seven hundred seventy-two".