63575018 has 16 divisors (see below), whose sum is σ = 106240680. Its totient is φ = 28330176.

The previous prime is 63575011. The next prime is 63575041. The reversal of 63575018 is 81057536.

It can be written as a sum of positive squares in 4 ways, for example, as 36566209 + 27008809 = 6047^2 + 5197^2 .

It is not an unprimeable number, because it can be changed into a prime (63575011) 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, 41405 + ... + 42912.

Almost surely, 2^63575018 is an apocalyptic number.

63575018 is a deficient number, since it is larger than the sum of its proper divisors (42665662).

63575018 is a wasteful number, since it uses less digits than its factorization.

63575018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84361.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 63575018 is about 7973.3943838242. The cubic root of 63575018 is about 399.1126538309.

The spelling of 63575018 in words is "sixty-three million, five hundred seventy-five thousand, eighteen".