63075665 has 8 divisors (see below), whose sum is σ = 75735168. Its totient is φ = 50430960.

The previous prime is 63075643. The next prime is 63075673. The reversal of 63075665 is 56657036.

63075665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63075665 - 2¹⁴ = 63059281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10994 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (9466896).

Almost surely, 2^63075665 is an apocalyptic number.

It is an amenable number.

63075665 is a deficient number, since it is larger than the sum of its proper divisors (12659503).

63075665 is a wasteful number, since it uses less digits than its factorization.

63075665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 63075665 is about 7942.0189498641. The cubic root of 63075665 is about 398.0649561919.

The spelling of 63075665 in words is "sixty-three million, seventy-five thousand, six hundred sixty-five".