447151172 has 12 divisors (see below), whose sum is σ = 842708076. Its totient is φ = 206377440.

The previous prime is 447151171. The next prime is 447151189. The reversal of 447151172 is 271151744.

It can be written as a sum of positive squares in 2 ways, for example, as 292546816 + 154604356 = 17104^2 + 12434^2 .

It is not an unprimeable number, because it can be changed into a prime (447151171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4299479 + ... + 4299582.

It is an arithmetic number, because the mean of its divisors is an integer number (70225673).

Almost surely, 2^447151172 is an apocalyptic number.

It is an amenable number.

447151172 is a deficient number, since it is larger than the sum of its proper divisors (395556904).

447151172 is a wasteful number, since it uses less digits than its factorization.

447151172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599078 (or 8599076 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 447151172 is about 21145.9493047723. The cubic root of 447151172 is about 764.6889087816.

The spelling of 447151172 in words is "four hundred forty-seven million, one hundred fifty-one thousand, one hundred seventy-two".