63630242 has 16 divisors (see below), whose sum is σ = 102929400. Its totient is φ = 29327232.

The previous prime is 63630241. The next prime is 63630247. The reversal of 63630242 is 24203636.

It can be written as a sum of positive squares in 4 ways, for example, as 52548001 + 11082241 = 7249^2 + 3329^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (63630241) 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, 26108 + ... + 28440.

Almost surely, 2^63630242 is an apocalyptic number.

63630242 is a deficient number, since it is larger than the sum of its proper divisors (39299158).

63630242 is a wasteful number, since it uses less digits than its factorization.

63630242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 63630242 is about 7976.8566490818. The cubic root of 63630242 is about 399.2281825357.

Adding to 63630242 its reverse (24203636), we get a palindrome (87833878).

The spelling of 63630242 in words is "sixty-three million, six hundred thirty thousand, two hundred forty-two".