448575729 has 32 divisors (see below), whose sum is σ = 706109184. Its totient is φ = 248002560.

The previous prime is 448575727. The next prime is 448575733. The reversal of 448575729 is 927575844.

It is a happy number.

It is not a de Polignac number, because 448575729 - 2¹ = 448575727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448575727) 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 31 ways as a sum of consecutive naturals, for example, 78489 + ... + 84009.

It is an arithmetic number, because the mean of its divisors is an integer number (22065912).

Almost surely, 2^448575729 is an apocalyptic number.

It is an amenable number.

448575729 is a deficient number, since it is larger than the sum of its proper divisors (257533455).

448575729 is a wasteful number, since it uses less digits than its factorization.

448575729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657.

The product of its digits is 2822400, while the sum is 51.

The square root of 448575729 is about 21179.6064411027. The cubic root of 448575729 is about 765.5001095723.

The spelling of 448575729 in words is "four hundred forty-eight million, five hundred seventy-five thousand, seven hundred twenty-nine".