63331272 has 48 divisors (see below), whose sum is σ = 176165340. Its totient is φ = 20539008.

The previous prime is 63331253. The next prime is 63331283. The reversal of 63331272 is 27213336.

63331272 is a `hidden beast` number, since 63 + 331 + 272 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62821476 + 509796 = 7926^2 + 714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9223 + ... + 14550.

Almost surely, 2^63331272 is an apocalyptic number.

It is an amenable number.

63331272 is an abundant number, since it is smaller than the sum of its proper divisors (112834068).

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

63331272 is a wasteful number, since it uses less digits than its factorization.

63331272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23822 (or 23815 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 63331272 is about 7958.0947468600. The cubic root of 63331272 is about 398.6019359016.

The spelling of 63331272 in words is "sixty-three million, three hundred thirty-one thousand, two hundred seventy-two".