447971037 has 24 divisors (see below), whose sum is σ = 635544576. Its totient is φ = 280615104.

The previous prime is 447970979. The next prime is 447971039. The reversal of 447971037 is 730179744.

It is not a de Polignac number, because 447971037 - 2⁶ = 447970973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447971037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447971039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135913 + ... + 139169.

It is an arithmetic number, because the mean of its divisors is an integer number (26481024).

Almost surely, 2^447971037 is an apocalyptic number.

It is an amenable number.

447971037 is a deficient number, since it is larger than the sum of its proper divisors (187573539).

447971037 is a wasteful number, since it uses less digits than its factorization.

447971037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3406 counting only the distinct ones).

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

The square root of 447971037 is about 21165.3262908938. The cubic root of 447971037 is about 765.1559834007.

The spelling of 447971037 in words is "four hundred forty-seven million, nine hundred seventy-one thousand, thirty-seven".