63471995 has 8 divisors (see below), whose sum is σ = 76209984. Its totient is φ = 50748544.

The previous prime is 63471979. The next prime is 63472001. The reversal of 63471995 is 59917436.

63471995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63471995 - 2⁴ = 63471979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12467 + ... + 16803.

It is an arithmetic number, because the mean of its divisors is an integer number (9526248).

Almost surely, 2^63471995 is an apocalyptic number.

63471995 is a deficient number, since it is larger than the sum of its proper divisors (12737989).

63471995 is a wasteful number, since it uses less digits than its factorization.

63471995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its digits is 204120, while the sum is 44.

The square root of 63471995 is about 7966.9313414890. The cubic root of 63471995 is about 398.8969505843.

The spelling of 63471995 in words is "sixty-three million, four hundred seventy-one thousand, nine hundred ninety-five".