63273372 has 12 divisors (see below), whose sum is σ = 147637896. Its totient is φ = 21091120.

The previous prime is 63273349. The next prime is 63273383. The reversal of 63273372 is 27337236.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636379 + ... + 2636402.

It is an arithmetic number, because the mean of its divisors is an integer number (12303158).

Almost surely, 2^63273372 is an apocalyptic number.

It is an amenable number.

63273372 is an abundant number, since it is smaller than the sum of its proper divisors (84364524).

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

63273372 is a wasteful number, since it uses less digits than its factorization.

63273372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272788 (or 5272786 counting only the distinct ones).

The product of its digits is 31752, while the sum is 33.

The square root of 63273372 is about 7954.4561096281. The cubic root of 63273372 is about 398.4804262156.

The spelling of 63273372 in words is "sixty-three million, two hundred seventy-three thousand, three hundred seventy-two".