63312260 has 24 divisors (see below), whose sum is σ = 145043136. Its totient is φ = 23022560.

The previous prime is 63312257. The next prime is 63312283. The reversal of 63312260 is 6221336.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143672 + ... + 144111.

It is an arithmetic number, because the mean of its divisors is an integer number (6043464).

Almost surely, 2^63312260 is an apocalyptic number.

It is an amenable number.

63312260 is an abundant number, since it is smaller than the sum of its proper divisors (81730876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63312260 is a wasteful number, since it uses less digits than its factorization.

63312260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287803 (or 287801 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 63312260 is about 7956.9001501841. The cubic root of 63312260 is about 398.5620452430.

Adding to 63312260 its reverse (6221336), we get a palindrome (69533596).

The spelling of 63312260 in words is "sixty-three million, three hundred twelve thousand, two hundred sixty".