447646672 has 40 divisors (see below), whose sum is σ = 947564352. Its totient is φ = 203174400.

The previous prime is 447646657. The next prime is 447646691. The reversal of 447646672 is 276646744.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153613 + ... + 156499.

Almost surely, 2^447646672 is an apocalyptic number.

It is an amenable number.

447646672 is an abundant number, since it is smaller than the sum of its proper divisors (499917680).

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

447646672 is a wasteful number, since it uses less digits than its factorization.

447646672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3781 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 46.

The square root of 447646672 is about 21157.6622527159. The cubic root of 447646672 is about 764.9712618250.

The spelling of 447646672 in words is "four hundred forty-seven million, six hundred forty-six thousand, six hundred seventy-two".