63728283 has 8 divisors (see below), whose sum is σ = 87901200. Its totient is φ = 41020448.

The previous prime is 63728243. The next prime is 63728293. The reversal of 63728283 is 38282736.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63728283 - 2⁹ = 63727771 is a prime.

It is a super-2 number, since 2×63728283² = 8122588108256178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63728213) 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, 366168 + ... + 366341.

It is an arithmetic number, because the mean of its divisors is an integer number (10987650).

Almost surely, 2^63728283 is an apocalyptic number.

63728283 is a deficient number, since it is larger than the sum of its proper divisors (24172917).

63728283 is a wasteful number, since it uses less digits than its factorization.

63728283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732541.

The product of its digits is 96768, while the sum is 39.

The square root of 63728283 is about 7982.9996242014. Note that the first 3 decimals coincide. The cubic root of 63728283 is about 399.4331199136.

It can be divided in two parts, 637 and 28283, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 63728283 in words is "sixty-three million, seven hundred twenty-eight thousand, two hundred eighty-three".