447726413 has 4 divisors (see below), whose sum is σ = 451910880. Its totient is φ = 443541948.

The previous prime is 447726407. The next prime is 447726439. The reversal of 447726413 is 314627744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 447726413 - 2¹⁶ = 447660877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447726403) 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 3 ways as a sum of consecutive naturals, for example, 2092073 + ... + 2092286.

It is an arithmetic number, because the mean of its divisors is an integer number (112977720).

Almost surely, 2^447726413 is an apocalyptic number.

It is an amenable number.

447726413 is a deficient number, since it is larger than the sum of its proper divisors (4184467).

447726413 is a wasteful number, since it uses less digits than its factorization.

447726413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184466.

The product of its digits is 112896, while the sum is 38.

The square root of 447726413 is about 21159.5466161258. The cubic root of 447726413 is about 765.0166815392.

The spelling of 447726413 in words is "four hundred forty-seven million, seven hundred twenty-six thousand, four hundred thirteen".