447072 has 24 divisors (see below), whose sum is σ = 1173816. Its totient is φ = 148992.

The previous prime is 447067. The next prime is 447079. The reversal of 447072 is 270744.

447072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447079) by changing a digit.

447072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (48909).

2⁴⁴⁷⁰⁷² is an apocalyptic number.

It is an amenable number.

447072 is an abundant number, since it is smaller than the sum of its proper divisors (726744).

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

447072 is a wasteful number, since it uses less digits than its factorization.

447072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 447072 is about 668.6344292661. The cubic root of 447072 is about 76.4643774513.

The spelling of 447072 in words is "four hundred forty-seven thousand, seventy-two", and thus it is an iban number.