447750045 has 16 divisors (see below), whose sum is σ = 796000320. Its totient is φ = 238799952.

The previous prime is 447750007. The next prime is 447750073. The reversal of 447750045 is 540057744.

447750045 is a `hidden beast` number, since 44 + 77 + 500 + 45 = 666.

It is not a de Polignac number, because 447750045 - 2¹¹ = 447747997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447749991 and 447750009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658199 + ... + 1658468.

It is an arithmetic number, because the mean of its divisors is an integer number (49750020).

Almost surely, 2^447750045 is an apocalyptic number.

447750045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447750045 is a deficient number, since it is larger than the sum of its proper divisors (348250275).

447750045 is a wasteful number, since it uses less digits than its factorization.

447750045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316681 (or 3316675 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 447750045 is about 21160.1050328206. The cubic root of 447750045 is about 765.0301410654.

The spelling of 447750045 in words is "four hundred forty-seven million, seven hundred fifty thousand, forty-five".