63727312 has 30 divisors (see below), whose sum is σ = 135720914. Its totient is φ = 28966080.

The previous prime is 63727291. The next prime is 63727361. The reversal of 63727312 is 21372736.

63727312 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., 55294096 + 8433216 = 7436^2 + 2904^2 .

It is a super-2 number, since 2×63727312² = 8122340589490688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14523 + ... + 18394.

Almost surely, 2^63727312 is an apocalyptic number.

It is an amenable number.

63727312 is an abundant number, since it is smaller than the sum of its proper divisors (71993602).

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

63727312 is a wasteful number, since it uses less digits than its factorization.

63727312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32947 (or 32930 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 63727312 is about 7982.9388072313. The cubic root of 63727312 is about 399.4310912407.

The spelling of 63727312 in words is "sixty-three million, seven hundred twenty-seven thousand, three hundred twelve".