447572304 has 100 divisors (see below), whose sum is σ = 1301071860. Its totient is φ = 148538880.

The previous prime is 447572291. The next prime is 447572317. The reversal of 447572304 is 403275744.

It is an interprime number because it is at equal distance from previous prime (447572291) and next prime (447572317).

It can be written as a sum of positive squares in 2 ways, for example, as 392040000 + 55532304 = 19800^2 + 7452^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 363562 + ... + 364790.

Almost surely, 2^447572304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447572304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650535930).

447572304 is an abundant number, since it is smaller than the sum of its proper divisors (853499556).

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

447572304 is a wasteful number, since it uses less digits than its factorization.

447572304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 447572304 is about 21155.9047076697. The cubic root of 447572304 is about 764.9288976592.

The spelling of 447572304 in words is "four hundred forty-seven million, five hundred seventy-two thousand, three hundred four".