447572730 has 128 divisors (see below), whose sum is σ = 1229561856. Its totient is φ = 103276800.

The previous prime is 447572701. The next prime is 447572731. The reversal of 447572730 is 37275744.

It is not an unprimeable number, because it can be changed into a prime (447572731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 685084 + ... + 685736.

It is an arithmetic number, because the mean of its divisors is an integer number (9605952).

Almost surely, 2^447572730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447572730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614780928).

447572730 is an abundant number, since it is smaller than the sum of its proper divisors (781989126).

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

447572730 is a wasteful number, since it uses less digits than its factorization.

447572730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 164640, while the sum is 39.

The square root of 447572730 is about 21155.9147757784. The cubic root of 447572730 is about 764.9291403460.

The spelling of 447572730 in words is "four hundred forty-seven million, five hundred seventy-two thousand, seven hundred thirty".