63409672 has 16 divisors (see below), whose sum is σ = 119023740. Its totient is φ = 31670016.

The previous prime is 63409651. The next prime is 63409673. The reversal of 63409672 is 27690436.

It can be written as a sum of positive squares in 2 ways, for example, as 55264356 + 8145316 = 7434^2 + 2854^2 .

It is not an unprimeable number, because it can be changed into a prime (63409673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428 + ... + 12100.

Almost surely, 2^63409672 is an apocalyptic number.

It is an amenable number.

63409672 is a deficient number, since it is larger than the sum of its proper divisors (55614068).

63409672 is a wasteful number, since it uses less digits than its factorization.

63409672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 63409672 is about 7963.0190254702. The cubic root of 63409672 is about 398.7663491755.

The spelling of 63409672 in words is "sixty-three million, four hundred nine thousand, six hundred seventy-two".