447772696 has 64 divisors (see below), whose sum is σ = 1026720000. Its totient is φ = 178796160.

The previous prime is 447772691. The next prime is 447772733. The reversal of 447772696 is 696277744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447772691) 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, 61455 + ... + 68353.

It is an arithmetic number, because the mean of its divisors is an integer number (16042500).

Almost surely, 2^447772696 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 447772696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513360000).

447772696 is an abundant number, since it is smaller than the sum of its proper divisors (578947304).

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

447772696 is a wasteful number, since it uses less digits than its factorization.

447772696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6988 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 52.

The square root of 447772696 is about 21160.6402549639. The cubic root of 447772696 is about 765.0430414218.

The spelling of 447772696 in words is "four hundred forty-seven million, seven hundred seventy-two thousand, six hundred ninety-six".