447454749 has 8 divisors (see below), whose sum is σ = 681835840. Its totient is φ = 255688416.

The previous prime is 447454747. The next prime is 447454751. The reversal of 447454749 is 947454744.

It is an interprime number because it is at equal distance from previous prime (447454747) and next prime (447454751).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447454749 - 2¹ = 447454747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447454698 and 447454707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447454747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10653664 + ... + 10653705.

It is an arithmetic number, because the mean of its divisors is an integer number (85229480).

Almost surely, 2^447454749 is an apocalyptic number.

It is an amenable number.

447454749 is a deficient number, since it is larger than the sum of its proper divisors (234381091).

447454749 is a wasteful number, since it uses less digits than its factorization.

447454749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21307379.

The product of its digits is 2257920, while the sum is 48.

The square root of 447454749 is about 21153.1262228542. The cubic root of 447454749 is about 764.8619221937.

It can be divided in two parts, 44745 and 4749, that added together give a palindrome (49494).

The spelling of 447454749 in words is "four hundred forty-seven million, four hundred fifty-four thousand, seven hundred forty-nine".