447464745 has 96 divisors (see below), whose sum is σ = 964035072. Its totient is φ = 186955776.

The previous prime is 447464711. The next prime is 447464753. The reversal of 447464745 is 547464744.

It is a happy number.

It is not a de Polignac number, because 447464745 - 2⁸ = 447464489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 447464745.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 462252 + ... + 463218.

It is an arithmetic number, because the mean of its divisors is an integer number (10042032).

Almost surely, 2^447464745 is an apocalyptic number.

447464745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447464745 is an abundant number, since it is smaller than the sum of its proper divisors (516570327).

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

447464745 is a wasteful number, since it uses less digits than its factorization.

447464745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1108 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 45.

The square root of 447464745 is about 21153.3624986667. The cubic root of 447464745 is about 764.8676177438.

Subtracting 447464745 from its reverse (547464744), we obtain a palindrome (99999999).

The spelling of 447464745 in words is "four hundred forty-seven million, four hundred sixty-four thousand, seven hundred forty-five".