447703971 has 16 divisors (see below), whose sum is σ = 701299200. Its totient is φ = 250463520.

The previous prime is 447703967. The next prime is 447704021. The reversal of 447703971 is 179307744.

It is not a de Polignac number, because 447703971 - 2² = 447703967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447703961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521371 + ... + 522228.

It is an arithmetic number, because the mean of its divisors is an integer number (43831200).

Almost surely, 2^447703971 is an apocalyptic number.

447703971 is a deficient number, since it is larger than the sum of its proper divisors (253595229).

447703971 is a wasteful number, since it uses less digits than its factorization.

447703971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043626.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 447703971 is about 21159.0163051121. The cubic root of 447703971 is about 765.0038993351.

The spelling of 447703971 in words is "four hundred forty-seven million, seven hundred three thousand, nine hundred seventy-one".