63503972 has 24 divisors (see below), whose sum is σ = 127491840. Its totient is φ = 27112320.

The previous prime is 63503963. The next prime is 63503977. The reversal of 63503972 is 27930536.

It is not an unprimeable number, because it can be changed into a prime (63503977) 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, 3404 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (5312160).

Almost surely, 2^63503972 is an apocalyptic number.

It is an amenable number.

63503972 is an abundant number, since it is smaller than the sum of its proper divisors (63987868).

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

63503972 is a wasteful number, since it uses less digits than its factorization.

63503972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651 (or 8649 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 63503972 is about 7968.9379468032. The cubic root of 63503972 is about 398.9639270324.

The spelling of 63503972 in words is "sixty-three million, five hundred three thousand, nine hundred seventy-two".