63628445 has 4 divisors (see below), whose sum is σ = 76354140. Its totient is φ = 50902752.

The previous prime is 63628421. The next prime is 63628451. The reversal of 63628445 is 54482636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 26491609 = 6094^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 63628445 - 2¹⁴ = 63612061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63628399 and 63628408.

It is a congruent number.

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, 6362840 + ... + 6362849.

It is an arithmetic number, because the mean of its divisors is an integer number (19088535).

Almost surely, 2^63628445 is an apocalyptic number.

It is an amenable number.

63628445 is a deficient number, since it is larger than the sum of its proper divisors (12725695).

63628445 is a wasteful number, since it uses less digits than its factorization.

63628445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725694.

The product of its digits is 138240, while the sum is 38.

The square root of 63628445 is about 7976.7440099329. The cubic root of 63628445 is about 399.2244242609.

The spelling of 63628445 in words is "sixty-three million, six hundred twenty-eight thousand, four hundred forty-five".