447221074 has 16 divisors (see below), whose sum is σ = 725407488. Its totient is φ = 205978432.

The previous prime is 447221063. The next prime is 447221081. The reversal of 447221074 is 470122744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138334 + ... + 141529.

It is an arithmetic number, because the mean of its divisors is an integer number (45337968).

Almost surely, 2^447221074 is an apocalyptic number.

447221074 is a deficient number, since it is larger than the sum of its proper divisors (278186414).

447221074 is a wasteful number, since it uses less digits than its factorization.

447221074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279929.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 447221074 is about 21147.6020862886. The cubic root of 447221074 is about 764.7287539930.

It can be divided in two parts, 44722 and 1074, that added together give a square (45796 = 214²).

The spelling of 447221074 in words is "four hundred forty-seven million, two hundred twenty-one thousand, seventy-four".