447772705 has 16 divisors (see below), whose sum is σ = 554105664. Its totient is φ = 347112000.

The previous prime is 447772691. The next prime is 447772733. The reversal of 447772705 is 507277744.

It is not a de Polignac number, because 447772705 - 2¹⁷ = 447641633 is a prime.

It is a Duffinian number.

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, 41614 + ... + 51256.

It is an arithmetic number, because the mean of its divisors is an integer number (34631604).

Almost surely, 2^447772705 is an apocalyptic number.

It is an amenable number.

447772705 is a deficient number, since it is larger than the sum of its proper divisors (106332959).

447772705 is a wasteful number, since it uses less digits than its factorization.

447772705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 384160, while the sum is 43.

The square root of 447772705 is about 21160.6404676229. The cubic root of 447772705 is about 765.0430465475.

The spelling of 447772705 in words is "four hundred forty-seven million, seven hundred seventy-two thousand, seven hundred five".