63312772 has 12 divisors (see below), whose sum is σ = 113792140. Its totient is φ = 30800736.

The previous prime is 63312763. The next prime is 63312787. The reversal of 63312772 is 27721336.

It can be written as a sum of positive squares in 2 ways, for example, as 55562116 + 7750656 = 7454^2 + 2784^2 .

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 3 ways as a sum of consecutive naturals, for example, 213747 + ... + 214042.

Almost surely, 2^63312772 is an apocalyptic number.

It is an amenable number.

63312772 is a deficient number, since it is larger than the sum of its proper divisors (50479368).

63312772 is a wasteful number, since it uses less digits than its factorization.

63312772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427830 (or 427828 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 63312772 is about 7956.9323234523. The cubic root of 63312772 is about 398.5631196174.

The spelling of 63312772 in words is "sixty-three million, three hundred twelve thousand, seven hundred seventy-two".