63908772 has 12 divisors (see below), whose sum is σ = 149120496. Its totient is φ = 21302920.

The previous prime is 63908749. The next prime is 63908809. The reversal of 63908772 is 27780936.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63908772² = 8168662277095968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662854 + ... + 2662877.

It is an arithmetic number, because the mean of its divisors is an integer number (12426708).

Almost surely, 2^63908772 is an apocalyptic number.

It is an amenable number.

63908772 is an abundant number, since it is smaller than the sum of its proper divisors (85211724).

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

63908772 is a wasteful number, since it uses less digits than its factorization.

63908772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325738 (or 5325736 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 63908772 is about 7994.2962166785. The cubic root of 63908772 is about 399.8098512897.

The spelling of 63908772 in words is "sixty-three million, nine hundred eight thousand, seven hundred seventy-two".