447772740 has 48 divisors (see below), whose sum is σ = 1308279168. Its totient is φ = 114214144.

The previous prime is 447772739. The next prime is 447772781. The reversal of 447772740 is 47277744.

It is a junction number, because it is equal to n+sod(n) for n = 447772692 and 447772701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160857 + ... + 163616.

It is an arithmetic number, because the mean of its divisors is an integer number (27255816).

Almost surely, 2^447772740 is an apocalyptic number.

It is an amenable number.

447772740 is an abundant number, since it is smaller than the sum of its proper divisors (860506428).

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

447772740 is a wasteful number, since it uses less digits than its factorization.

447772740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324508 (or 324506 counting only the distinct ones).

The product of its (nonzero) digits is 307328, while the sum is 42.

The square root of 447772740 is about 21160.6412946300. The cubic root of 447772740 is about 765.0430664806.

The spelling of 447772740 in words is "four hundred forty-seven million, seven hundred seventy-two thousand, seven hundred forty".