63271071 has 32 divisors (see below), whose sum is σ = 97182720. Its totient is φ = 40658112.

The previous prime is 63271067. The next prime is 63271151. The reversal of 63271071 is 17017236.

It is not a de Polignac number, because 63271071 - 2² = 63271067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63271171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92296 + ... + 92978.

It is an arithmetic number, because the mean of its divisors is an integer number (3036960).

Almost surely, 2^63271071 is an apocalyptic number.

63271071 is a deficient number, since it is larger than the sum of its proper divisors (33911649).

63271071 is a wasteful number, since it uses less digits than its factorization.

63271071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 63271071 is about 7954.3114724029. The cubic root of 63271071 is about 398.4755957761.

The spelling of 63271071 in words is "sixty-three million, two hundred seventy-one thousand, seventy-one".