63112730 has 16 divisors (see below), whose sum is σ = 114082560. Its totient is φ = 25138512.

The previous prime is 63112723. The next prime is 63112757. The reversal of 63112730 is 3721136.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63112696 and 63112705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10814 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (7130160).

Almost surely, 2^63112730 is an apocalyptic number.

63112730 is a deficient number, since it is larger than the sum of its proper divisors (50969830).

63112730 is a wasteful number, since it uses less digits than its factorization.

63112730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 63112730 is about 7944.3520818252. The cubic root of 63112730 is about 398.1429122390.

Adding to 63112730 its reverse (3721136), we get a palindrome (66833866).

The spelling of 63112730 in words is "sixty-three million, one hundred twelve thousand, seven hundred thirty".