63320972 has 48 divisors (see below), whose sum is σ = 134421504. Its totient is φ = 25704000.

The previous prime is 63320953. The next prime is 63320981. The reversal of 63320972 is 27902336.

It is a happy number.

63320972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

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 15 ways as a sum of consecutive naturals, for example, 15947 + ... + 19517.

It is an arithmetic number, because the mean of its divisors is an integer number (2800448).

Almost surely, 2^63320972 is an apocalyptic number.

63320972 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63320972 is an abundant number, since it is smaller than the sum of its proper divisors (71100532).

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

63320972 is a wasteful number, since it uses less digits than its factorization.

63320972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 63320972 is about 7957.4475807259. The cubic root of 63320972 is about 398.5803256060.

The spelling of 63320972 in words is "sixty-three million, three hundred twenty thousand, nine hundred seventy-two".