63931272 has 16 divisors (see below), whose sum is σ = 159828240. Its totient is φ = 21310416.

The previous prime is 63931253. The next prime is 63931277. The reversal of 63931272 is 27213936.

It is a happy number.

63931272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63931277) 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 3 ways as a sum of consecutive naturals, for example, 1331878 + ... + 1331925.

It is an arithmetic number, because the mean of its divisors is an integer number (9989265).

Almost surely, 2^63931272 is an apocalyptic number.

It is an amenable number.

63931272 is an abundant number, since it is smaller than the sum of its proper divisors (95896968).

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

63931272 is a wasteful number, since it uses less digits than its factorization.

63931272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663812 (or 2663808 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 63931272 is about 7995.7033461729. The cubic root of 63931272 is about 399.8567653824.

The spelling of 63931272 in words is "sixty-three million, nine hundred thirty-one thousand, two hundred seventy-two".