447432870 has 32 divisors (see below), whose sum is σ = 1084916448. Its totient is φ = 118084608.

The previous prime is 447432863. The next prime is 447432871. The reversal of 447432870 is 78234744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447432871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73969 + ... + 79788.

It is an arithmetic number, because the mean of its divisors is an integer number (33903639).

Almost surely, 2^447432870 is an apocalyptic number.

447432870 is an abundant number, since it is smaller than the sum of its proper divisors (637483578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447432870 is a wasteful number, since it uses less digits than its factorization.

447432870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153864.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 447432870 is about 21152.6090589317. The cubic root of 447432870 is about 764.8494556170.

The spelling of 447432870 in words is "four hundred forty-seven million, four hundred thirty-two thousand, eight hundred seventy".