447049753 has 4 divisors (see below), whose sum is σ = 455484708. Its totient is φ = 438614800.

The previous prime is 447049751. The next prime is 447049777. The reversal of 447049753 is 357940744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339554329 + 107495424 = 18427^2 + 10368^2 .

It is a cyclic number.

It is not a de Polignac number, because 447049753 - 2¹ = 447049751 is a prime.

It is a super-3 number, since 3×447049753³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447049751) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4217398 + ... + 4217503.

It is an arithmetic number, because the mean of its divisors is an integer number (113871177).

Almost surely, 2^447049753 is an apocalyptic number.

It is an amenable number.

447049753 is a deficient number, since it is larger than the sum of its proper divisors (8434955).

447049753 is an equidigital number, since it uses as much as digits as its factorization.

447049753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434954.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 447049753 is about 21143.5510972022. The cubic root of 447049753 is about 764.6310910133.

The spelling of 447049753 in words is "four hundred forty-seven million, forty-nine thousand, seven hundred fifty-three".