63928072 has 16 divisors (see below), whose sum is σ = 129085740. Its totient is φ = 29505216.

The previous prime is 63928069. The next prime is 63928121. The reversal of 63928072 is 27082936.

It can be written as a sum of positive squares in 2 ways, for example, as 63584676 + 343396 = 7974^2 + 586^2 .

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, 307243 + ... + 307450.

Almost surely, 2^63928072 is an apocalyptic number.

It is an amenable number.

63928072 is an abundant number, since it is smaller than the sum of its proper divisors (65157668).

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

63928072 is a wasteful number, since it uses less digits than its factorization.

63928072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614712 (or 614708 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 63928072 is about 7995.5032361947. The cubic root of 63928072 is about 399.8500938274.

The spelling of 63928072 in words is "sixty-three million, nine hundred twenty-eight thousand, seventy-two".